Compare the hydronium ion concentration of the solution having a pH of 2.0 to the hydronium ion concentration of the other solution given to the student.

Answers

Answer 1

Answer:

pH is a scale used to measure the acidity or alkalinity of an aqueous solution. It can be used to calculate the amount of hydronium ions in the solution. It is expressed as the negative logarithm to the base 10 of the concentration.

pH = -log [H+]

2.0 = -log [H+]

[H+] = 0.01 M

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. Detailed information about the possibilities and ways of adjusting cookies settings are available in the specify conditions of storing and accessing cookies in your brow

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Answer:

Explanation:

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What is the scientific name for the layer of gas that surrounds the Earth

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The scientific name for the layer of gas that surrounds the Earth is the atmosphere. It is a thin layer of gases which is composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide and trace amounts of other gases. I hope this helps you.

It is common for students to overshoot the endpoint, meaning they add too much NaOH(aq) from the buret, which causes the solution to turn bright pink. What specific impact does this mistake have on the percent of acetic acid result?

Answers

Answer: the percentage of acetic acid will be low.

Explanation: The major aim during titration of acids and bases is to determine the endpoint , that is exact point where the acid in the beaker changes colour, (in this case, pink )with an additional drop from the burette containing the base, since it is usually difficult to mark the equivalence point that tells us when all the substrate in the beaker has been neutralized completely with the buretted substance.

Overshooting the end point is an error which can occur when the person involved in the the titration accidently goes beyond this endpoint by adding too much of the substance(base) from the burette into the beaker missing the exact endpoint.

This implies that the person has added too much of the burreted liquid, ie the base than required , making the acid in the beaker to continue to react resulting to a lower concentration of the acid (acetic acid) with excess base.(NaOH)

What is the approximate tilt of the earth?
18°
23°
45°
60°

Answers

The answer is 23.5° but I guess 23° is closest

Not the approximate tilt the exact is 23 1/2 degrees

Which of the following statements explains the difference between a lease and a loan?a. At the end of a loan the car belongs to you, but at the end of a lease, the car still belongs to the
lease company
b. At the end of a loan, the car still belongs to the lease company, but at the end of a lease the car
belongs to you.
c. A loan requires a large down payment at the beginning while a lease does not.
d. A lease requires a large down payment at the beginning while a loan does not.
Please select the best answer from the choices provided

Answers

Answer:

letter A is the answer

Explanation:

At the end of a loan the car belongs to you, but at the end of a lease, the car still belongs to the lease company.

How does the law of conservation of matter apply to chemical equationshow does the law of conservation of matter apply to chemical equations?

Answers

According to Law of conservation of matter,"matter can neither be created nor destroyed during a chemical reaction". Therefore this law is very important in a chemical equation. A chemical equation must be balanced to obey this law. Means, the mass of the reactant must equals the mass of products.
For example,
C + O₂ ---------> CO₂
12g + 32g ---------> 44g
In this reaction the total mass of reactant (44g) is exactly equal to the mass of product (44g).
So, keeping the law of conservation of matter it is important to have a balanced chemical equations.

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