if 34.42 ml of 0.1013 m naoh is needed to neutralize a 25.00 ml of h2so4. what is the concentration of sulfuric acid?

Answers

Answer 1

6.973x 10^-2 M is the concentration of sulfuric acid.A chemical reaction known as neutralization occurs when an acid and a base quantitatively react with one another.

The pH of the neutralized solution is determined by the acidity of the reactant. In a neutralization process, an acid and a base combine to create salt and water.

The response to this issue is as follows:

H2SO4 + 2 NaOH = Na2SO4 + 2 H2O

To ascertain the molar ratio of the reactants, we require this reaction. The ratio is thus 1 mol H2SO4 to 2 mol NaOH.

This is the following method of calculation:

0.03442x 0.103x 1mol H2SO4/2molNaOHX1/0.0025=6.973X10^-2

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Related Questions

An unknown material has a mass of 4.5 g and a volume of
6.75 cm3. What is the density

Answers

Answer:

0.67 cm³

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 4.5 g

volume = 6.75 cm³

We have

\(density = \frac{4.5}{6.75} \\ = 0.6666666...\)

We have the final answer as

0.67 cm³

Hope this helps you

Flame test lab
What are the answers to the last two columns and how do I solve them?

Flame test labWhat are the answers to the last two columns and how do I solve them?

Answers

f = 5.08 x 10¹⁴/s

E=3.366 x 10⁻¹⁹ J

Further explanation

Radiation energy is absorbed by photons

The energy in one photon can be formulated as

\(\large{\boxed{\bold{E\:=\:h\:.\:f}}}\)

Where

h = Planck's constant (6,626.10⁻³⁴ Js)

f = Frequency of electromagnetic waves

f = c / λ

c = speed of light

= 3.10⁸

λ = wavelength

I will give example number 1, and for subsequent numbers, the steps will be the same

For NaNO₃ with λ=590 nm=5.9 x 10⁻⁷m

Frequency(f) :

\(\tt f=\dfrac{3.10^8}{5.9\times 10^{-7}}=5.08\times 10^{14}/s\)

Energy(E) :

\(\tt E=6.626.10^{-34}\times 5.08\times 10^{14}=3.366\times 10^{-19}~J\)

Hydrochloric acid is a strong acid.
Ethanoic acid is a weak acid.
Describe a reaction that could be used to show the difference between a weak acid and a
strong acid.
You should explain why the weak acid and the strong acid give different results.

Hydrochloric acid is a strong acid.Ethanoic acid is a weak acid.Describe a reaction that could be used

Answers

Answer:

One reaction that can be used to show the difference between a weak acid and a strong acid is the reaction with magnesium. When magnesium is added to hydrochloric acid, a vigorous reaction occurs, releasing hydrogen gas and forming magnesium chloride:

2HCl(aq) + Mg(s) → MgCl2(aq) + H2(g)

In contrast, when magnesium is added to ethanoic acid, a slow reaction occurs, releasing hydrogen gas and forming magnesium ethanoate:

2CH3COOH(aq) + Mg(s) → Mg(CH3COO)2(aq) + H2(g)

The reason for the difference in reaction rate between the two acids is due to their different levels of dissociation in water. Hydrochloric acid is a strong acid and completely dissociates in water, releasing a high concentration of hydrogen ions (H+) in solution. In contrast, ethanoic acid is a weak acid and only partially dissociates in water, releasing a low concentration of hydrogen ions in solution. As a result, the reaction between magnesium and hydrochloric acid is more vigorous because of the high concentration of hydrogen ions in solution, whereas the reaction between magnesium and ethanoic acid is slower due to the lower concentration of hydrogen ions in solution.

Explanation:

Answer:

correct comparative pH, such as, 0-3 (strong) 4-6 (weak) • named reaction, such as, with a reactive metal or a named carbonate • comparative results or observations of the named reaction, such as, faster reaction (strong) or greater volume of gas produced in a given time (strong) 

Explanation:

Explanations of different results • weak acids are only partially ionised in aqueous solution • strong acids are completely ionised in aqueous solution/ greater concentration of H+ ions • aqueous solutions of acids at the same concentration/ powder, same temperature

Four mass measurements of a meta cube were made using laboratory balance. The rosults were 24.02 g,23.99 g,23,98 g, and 23.97 g. the actual mass of the metal cue is 25.00 g. Are the mass measurements accurate: are the mass measurements precise? accurate: no precise: yes accurate: yes precise: no accurate: no precise: no accurate: yes precise: yns none of the above

Answers

Are the mass measurements accurate: no
Are the mass measurements precise: yes


To determine if the mass measurements are accurate, we compare them to the actual mass of the metal cube, which is 25.00 g. The measurements of 24.02 g, 23.99 g, 23.98 g, and 23.97 g are all lower than the actual mass, indicating that they are not accurate.

To determine if the mass measurements are precise, we look at the consistency of the measurements. The measurements are all very close to each other, with a range of only 0.05 g. This indicates that the measurements are precise, as they show consistency and repeatability.

Therefore, the mass measurements are accurate: no, and precise: yes.

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How many grams of methane,
CH4, are produced from the
complete reaction of 5.15 moles
of carbon monoxide, CO?

CO+ 3H₂ → H₂O + CH4

[? ] g CH4

Answers

Answer:

82.606g

Explanation:

\(5.15mol CO* \frac{1 mol CO}{1 mol CH4} *\frac{16.04 g CH4}{1 mol CH4} =82.606g CH4\)

A boat sails into a bay and drops anchor. Several hours later, it is surrounded by mud. What
happened?

Answers

Answer:

the flow of the water pushed the mud around the anchor

Explanation:

The information regarding the mud should be explained below:

The following information should be considered:

In the case when it should be surronded by mud so there is low tide arise.it is occur at the time when the water retreats to its lowest level, moving away from the shore.

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ASAP
How are atoms combined in a mixture?

A- Chemically combined and cannot be separated
B- Physically combined and can be separated

Answers

Answer:

Answer B

Explanation:

By definition mixtures are combinations of substances physically prepared and physically separated. Mixtures are classified as 'homogeneous mixtures' and 'heterogeneous mixtures'. For homogeneous mixtures all components are dissolved, with solute evenly distributed throughout the solution and assumes state of solvent. 'Heterogeneous mixtures' have inconsistent properties throughout and solute concentration is not consistent throughout the mixture.

covalent compound formula for hydrogen monochloride

Answers

Answer:

HCl

Explanation:

1 hydrogen 1 chlorine

what are function of lipids​

Answers

Lipids serve as structural components of cell membranes, function as energy storehouses, and function as important signalling molecules. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.

Hope this helped :)

Which of the following particles are of approximately equal mass?

A: protons
B:electrons
C:neutrons
D:quarks

Answers

Protons and neutrons are particles that are approximately the same size, while electrons are much smaller. As a result, the correct option is C, neutrons.

The mass of an atom is concentrated in its nucleus, which is made up of protons and neutrons. Electrons revolve around the nucleus of an atom. Electrons are much smaller than the nucleus of an atom, which is made up of protons and neutrons. Protons and neutrons are similar in mass, while electrons are considerably less massive. The correct answer is option C, which is neutrons, because protons and electrons are not similar in mass. In fact, electrons are about 1800 times less massive than protons and neutrons. Quarks are the smallest particles that make up the particles that form atoms. These particles come in six different flavours and are held together by other particles known as gluons. However, quarks' masses are not similar to one another.

Electrons, which are much less massive than protons and neutrons, and quarks, which do not have equivalent masses, are not particles of almost equal mass. Consequently, option C, neutrons, is the correct answer.

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How many miles can you drive, if your car gets 29.50 miles per gallon and you have 12.00 gallons of gas

Answers

The number of miles one can drive if a car gets 29.50 miles per gallon with 12.00 gallons of gas would be

Dimensional analysis

The car in question can cover a distance of 29.50 miles per gallon of gas and there is a total of 12.00 gallons of gas available. If one gallon can cover a distance of 29.50 miles, then the distance that the 12 gallons can cover can be calculated using dimensional analysis as follows:

1 gallon = 29.50 miles

12 gallons = 28.50 x 12

                 = 342 miles

In other words, if one gallon can cover a distance of 29.50 miles, then the 12.00 gallons of gas will cover a total distance of 342 miles.

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what has changed in the atmosphere that give the rock strata the appearance of rust?(red/orange color).

Answers

Answer:

Explained below.

Explanation:

What has changed in the atmosphere is that oxidation has occurred where an oxidizing chemical specie has reacted with an oxygen containing compound.

Now these chemicals when they react with rain and fall on rocks react with the rocks to weaken them in a process known as chemical weathering.

Now when this weathering from the oxidizing chemicals from the rain react with rocks that contain iron, it leads to the rock having an appearance of rust.

How many moles of sodium bicarbonate will react with the number of moles citric acids you determined in #1

1*10^-3/1=1mol/3

Answers

The number of moles of sodium bicarbonate that will react with the number of moles of citric acid determined in #1 is equal to the number of moles of citric acid divided by three.

This is because the reaction between sodium bicarbonate and citric acid is a 3:1 molar ratio, meaning that for every three moles of sodium bicarbonate, one mole of citric acid is consumed . Therefore, using the given value of 1*10^-3/1=1mol/3 for the number of moles of citric acid, we can calculate the number of moles of sodium bicarbonate as follows:

n (NaHCO3) = n (C6H8O7) / 3n (NaHCO3) = 1*10^-3/1 / 3n (NaHCO3) = 0.333*10^-3 mol

Hence, 0.333*10^-3 mol of sodium bicarbonate will react with 1*10^-3/1 mol of citric acid.

About Citric acid

Citric acid is a weak organic acid with the chemical formula HOC(CH₂CO₂H)₂ which is found in the leaves and fruits of plants of the genus Citrus. This compound is a good and natural preservative, besides being used as a sour taste enhancer in food and soft drinks.

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14. The element chlorine occurs in nature as a mixture of two iso-
topes. Chlorine-35 has an atomic mass of 34.969 amu and
makes up 75.77% of chlorine atoms. Chlorine-37 atoms make
up the remaining 24.23% of all chlorine. Use the average
atomic mass of chlorine from the periodic table to calculate the
atomic mass of Cl-37 atoms.

Answers

Chemical element chlorine has the atomic number 17 and the symbol Cl. The second-lightest halogen, fluorine is situated between bromine and fluorine in the periodic table and has most of its features in the middle of those two elements. Chlorine is an odorless, yellow-green gas at room temperature.

Chlorine is found in nature in the ratios of 75.53% and 24.47% as the isotopes "CI35" (atomic mass = 34.969 amu) and "CI37" (atomic mass = 36.966 amu). The atomic masses of the two chlorine isotopes are 35 u and 37 u.

The two chlorine isotopes, 35Cl and 37Cl, have a respective ratio of 3:1.

Cl-37 atoms has a total of 37 nucleons17 protons and 20 neutrons—make up its nucleus. Natural chlorine is composed of chlorine-37, which makes up 24.23%, and chlorine-35, which makes up 75.77%. This gives chlorine atoms in bulk an apparent atomic weight of 35.453(2) g/mol.

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What is the acceleration of a 5 kg object if a force of 50 N was applied to it?

Answers

Answer: An applied force of 50 N is used to accelerate an object to the right across. A 5-kg object is sliding to the right and encountering a friction force that slows it down. Explanation: m=1000 kg and a=3m/s2 . hence, the force needed to accelerate the 1000kg car by 3m/s2 is 3000N

Explanation: PLEASE MARK  ME AS BRAINLIEST

LEARNING TASK 3

Answer And Solution

1. Calculate the molar mass of Ferric Oxide (Fe2O3)

2. Calculate the molar mass of Lactic acid (C3H6O3)

3. Calculate the molar mass of water (H2O)

4. Calculate the molar mass of ascorbic acid (C6H8O6)

Subject Is Science:⁠-⁠)

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LEARNING TASK 3 Answer And Solution1. Calculate the molar mass of Ferric Oxide (Fe2O3) 2. Calculate the

Answers

The molar mass of Ferric Oxide (Fe2O3) is calculated as follows:

Fe: (2 atoms) x (56 g/mol) = 112 g/mol

O: (3 atoms) x (16 g/mol) = 48 g/mol

Fe2O3 = 112 g/mol + 48 g/mol = 160 g/mol

The molar mass of Lactic acid (C3H6O3) is calculated as follows:

C: (3 atoms) x (12.01 g/mol) = 36.03 g/mol

H: (6 atoms) x (1.01 g/mol) = 6.06 g/mol

O: (3 atoms) x (16 g/mol) = 48 g/mol

C3H6O3 = 36.03 g/mol + 6.06 g/mol + 48 g/mol = 90.09 g/mol

The molar mass of water (H2O) is calculated as follows:

H: (2 atoms) x (1.01 g/mol) = 2.02 g/mol

O: (1 atom) x (16 g/mol) = 16 g/mol

H2O = 2.02 g/mol + 16 g/mol = 18.02 g/mol

The molar mass of ascorbic acid (C6H8O6) is calculated as follows:

C: (6 atoms) x (12.01 g/mol) = 72.06 g/mol

H: (8 atoms) x (1.01 g/mol) = 8.08 g/mol

O: (6 atoms) x (16 g/mol) = 96 g/mol

C6H8O6 = 72.06 g/mol + 8.08 g/mol + 96 g/mol = 176.14 g/mol

A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 24. 76mL, and the mass in 49. 93g. What is the density of the rock

Answers

A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 24. 76mL, and the mass in 49. 93g.The density of the rock is 2.02 g/mL

Given:Volume of the rock (V) = 24.76 mL

Mass of the rock (m) = 49.93 g

Density (ρ) = ?

Density is defined as the mass per unit volume, mathematically expressed as:

Density = mass/volume

ρ = m/V

Substitute the given values of mass and volume into the equation:

ρ = m/V

ρ = 49.93 g/24.76 mL

To obtain the density in g/mL, divide the mass by volume:

ρ = 2.02 g/mL

Therefore, the density of the rock is 2.02 g/mL.

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How do unbalanced forces cause a change in speed, direction, and position of an object?

Answers

Answer:

But its motion is not changing. This is because the forces acting on it from opposite sides are exactly the same size. An unbalanced force can change an object's motion. ... An unbalanced force acting on a moving object could make the object change direction, change speed, or stop moving.

The unbalanced forces are unequal in magnitude. They change the state of motion of the object. The pushing or pulling of an object can generate unbalanced forces and cause change in the direction, and position of an object.

What is an unbalanced force?

The two forces of unequal magnitudes and they act on an object simultaneously such that the net force is not zero are defined as the unbalanced forces. The body acted upon by the unbalanced forces changes its state of motion.

The unbalanced forces are the opposite of a balanced force. An unbalanced force causes a change in motion, speed, direction, or movements. Because of unequal force or strength which is applied to one side of an object.

In the case of unbalanced forces, one side has more energy than the other. Opposite sides have forces acting against them.

Thus the unbalanced forces are out of balance and are not equal, it causes body's position to change.

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There is a gas pressure in a container that is 123kPa what is the pressure in atmospheres ?

Answers

Answer:

In strict SI units (highly recommended), express n in moles, R is the universal gas constant R=8.314Jmol−K , T is the temperature in Kelvins, and the volume V is in m3 . The resulting pressure P will be in Pa. R=0.082054L−atmmol−K , in which case the pressure is calculated in atm.

how much water should be added to 28 ml of 15​% alcohol solution to reduce the concentration to ​14%?

Answers

The amount of water that should be added to 28 ml of 15​% alcohol solution to reduce the concentration to ​14% is: 2 ml

To solve this problem, the formula and the procedure that we have to use is:

c1 * v1 = c2 * v2

Where:

c1= concentration of the concentrated solutionv1 = volume of the concentrated solutionc2 = concentration of the diluted solutionv2 = volume of the diluted solution

Information about the problem:

c1 = 15%v1=28 mlc2 = 14%v2=?amount of water should be added=?

Applying the dissolution of concentrations formula and clearing the volume of the diluted solution (v2) we get:

c1 * v1 = c2 * v2

v2 = (c1 * v1)/ c2

v2 = (15% * 28 ml)/ 14%

v2= 30 ml

In order to know how much water should be added we have to subtract 28 ml from the volume of the diluted solution:

amount of water should be added = v2 - v1

amount of water should be added = 30 ml - 28 ml

amount of water should be added = 2 ml

What is a solution?

In chemistry a solution is known as a homogeneous mixture of two or more components called:

Solvent: it usually is in a major amount than the soluteSolute: it usually is in less amount than the solvent

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how much water should be added to 28 ml of 15% alcohol solution to reduce the concentration to 14%?

Why aren't acid-base reactions considered redox reactions, even though they involve the transfer of hydrogen atoms?

Answers

Answer:   Acid/base and precipitation reactions almost always are NOT redox reactions. For redox to have happened, the number of electrons that an element has must change (i.e. its oxidation state must change). ... But the hydrogen ion never "has" any electron throughout the process and remains in a +1 oxidation state.

Explanation:

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Acid-base reaction is not a redox reaction, since the oxidation number remains unchanged in acid-base reaction.  

What is acid-base reaction?

An acid-base reaction is the chemical reaction that occur when acids and bases react together.

What is redox reaction?

Redox reaction is a reaction that involves the transfer of electrons between the atoms, ions, or molecules.

Acid-base reactions involve the transfer of hydrogen ions between reactants. Redox reactions involve a change in oxidation number for one or more reactant elements.

Redox reactions involve a change in oxidation number for one or more reactant elements.

Acid-base reactions involve a transfer of a hydrogen ion instead of an electron and the transfer of an H+ ion leaves the oxidation numbers unaffected.

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What is the purpose of a blank in spectrophotometry.

Answers

Spectrophotometers are also calibrated by using a “blank” solution that we prepare containing all of the components of the solution to be analyzed except for the one compound we are testing for so that the instrument can zero out these background readings and only report values for the compound of interest.

An aqueous solution at 25 °C has a OH concentration of 8 x 10^-12. Calculate the H20 concentration.

Answers

The concentration of H₂O, given that the solution has a OH⁻ concentration of 8×10⁻¹² M is 8×10⁻¹² M

How do i determine the concentration of H₂O?

First, we shall write the dissociation equation. This is given below

H₂O(aq) <=> H⁺(aq) + OH⁻(aq)

Now, we shall obtain the concentration of H₂O. Details below:

From the above dissociation equation,

1 mole of OH⁻ is present in 1 mole of H₂O

Therefore,

8×10⁻¹² M OH⁻ will also be present 8×10⁻¹² M H₂O

Thus, we can conclude that the concentration of H₂O in the solution is 8×10⁻¹² M

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What is pH value in simple words?

Answers

The pH value is a measure of how acidic/basic a substance is.

The range goes from 0 to 14, with 7 being neutral.

pH values that are less than 7 indicate acid (acidity), whereas a pH value greater than 7 indicates a base (basic).

pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the substance.

Why is it important to recycle electronic waste?

Answers

It saves energy, minimizes air and water pollution, cuts greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and otherwise decreased its trash by 62% and reduced landfill by 35%.

What is recycle?

It saves energy, minimizes air and water pollution, cuts greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and otherwise decreased its trash by 62% and reduced landfill by 35%. The process of transforming waste resources into new materials and things is known as recycling. This notion frequently includes the recovery of energy from waste materials. The capacity of a material to regain the attributes it had in its original form determines its recyclability. Recycling is the collection and processing of items that would otherwise be discarded as waste in order to create new goods. Recycling may help your town, economy, and environment.

Here,

It saves energy, decreases air and water pollution, lowers greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and avoided landfill by 62% and 35%, respectively.

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How many Joules of energy are there in one photon of orange light whose wavelength is 630nm?

Answers

The energy are there in one photon of orange light whose wavelength is 630nm is  \(3.15401\times10^{-19}\) Joules.

W=c/v, c=speed of light, v=frequency

\(6.3 \times 10^-7=3 \times 10^8/v\)

\(v=3 \times 10^8 / 6.3 \times 10^-7\)

\(v=4.76 X 10^14 Hz\)-frequency of the yellow light.

E=hv, h=Planck's constant,

\(E=(4.76 \times 10^14)Hz \times 6.62607×10^-34 J s\)

\(E=3.15401\times10^{-19}\) Joules- the energy of a single photon of yellow light.

What is Planck's constant?

Planck's constant or Planck's constant, is a fundamental physical constant of quantum mechanics. The constant gives the ratio of the energy of the photon to its frequency, and for mass-energy equivalent, the ratio of mass to frequency.

In quantum mechanics, energy is exchanged and absorbed in certain amounts called quanta. The Planck constant is a number that defines the amount of energy in these quantities and expresses how small things can be. Learn more about Planck's constant in this infographic.

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How to convert acetone into methanal?​

Answers

Acetone to formaldehyde, formaldehyde to acetone. Methyl magnesium bromide is used to cure formaldehyde in the presence of dry ether, producing ethanol after acid hydrolysis and isopropyl alcohol.

Thus, Acetaldehyde is produced when ethanol is heated with copper at 373 K and is oxidized. Isopropyl alcohol is produced by treating acetaldehyde with methyl magnesium bromide while dry ether is present.

Acet is produced when isopropyl alcohol is heated with copper at 373 kelvin.

In 2010, around 6.7 million tonnes were manufactured globally, primarily for use as a solvent and for the synthesis of bisphenol A and methyl methacrylate, which are precursors to common isopropyl alcohol.

Thus, Acetone to formaldehyde, formaldehyde to acetone. Methyl magnesium bromide is used to cure formaldehyde in the presence of dry ether, producing ethanol after acid hydrolysis and isopropyl alcohol.

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Which state or states of matter have fixed volume but not a fixed shape?

Answers

Answer:

gas and liquid

Explanation:

7. This value tells the number of protons that are in an atom *
atomic mass
atomic number
mass number

Answers

Answer:

Explanation:

55 newtons

The atomic number is the value that is equal to the number of protons in the nucleus.

What is a reduction reaction give an example?.

Answers

There are several applications for reduction processes, which result in oxygen loss. For instance, reducing ores is accomplished via the reduction reaction method.

Is a Reduction reaction N2 + 3 H2 → 2NH3. Create electrochemical cells and convert ammonia into nitric acid to acquire metals. An instance of a chemical process in which reduction and oxidation take place simultaneously is known as a reduction-oxidation or redox reaction. In contrast to oxidized species, reduced species gains electrons. Oxygen is not required for an oxidation process.

The chemical element with the letters O and the atomic number 8 is called oxygen. It belongs to the periodic table's chalcogen group and is a very reactive nonmetal.

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