Question 1

Question

A)How are acids and protons related? (1 point)
Responses

Acids are substances that contain fewer protons than bases.
Acids are substances that contain fewer protons than bases.

Acids are substances that contain more protons than bases.
Acids are substances that contain more protons than bases.

An acid can donate protons to a base when they react.
An acid can donate protons to a base when they react.

An acid can accept a proton from a base when they react.
An acid can accept a proton from a base when they react.
Question 2
A)Which statement best describes the difference between a substance with a pH of 3.0 and a substance with a pH of 6.0?(1 point)
Responses

The substance with the lower pH has twice as many hydrogen ions per volume of water.
The substance with the lower pH has twice as many hydrogen ions per volume of water.

The substance with the higher pH has 1,000 times as many hydrogen ions per volume of water.
The substance with the higher pH has 1,000 times as many hydrogen ions per volume of water.

The substance with the lower pH has 1,000 times as many hydrogen ions per volume of water.
The substance with the lower pH has 1,000 times as many hydrogen ions per volume of water.

The substance with the higher pH has twice as many hydrogen ions per volume of water.
The substance with the higher pH has twice as many hydrogen ions per volume of water.
Question 3
A)
Use the reaction to answer the question.

HCl + H2O → Cl–+ H3O+

Which statement about the reaction is correct?

(1 point)
Responses

HCl is an acid, and H3O+ is its conjugate base.
HCl is an acid, and H 3 O + is its conjugate base.

HCl is an acid, and Cl– is its conjugate base.
HCl is an acid, and Cl – is its conjugate base.

H2O is an acid, and H3O+ is its conjugate base.
H 2 O is an acid, and H 3 O + is its conjugate base.

H2O is an acid, and Cl– is its conjugate base.
H 2 O is an acid, and Cl – is its conjugate base.
Question 4
A)Which option correctly shows the concentration of H3O+ ions in pure water?(1 point)
Responses

1.0 × 10-7 mol/L
1.0 × 10 -7 mol/L

1.0 x 10-14 mol/L
1.0 x 10 -14 mol/L

14 mol/L
14 mol/L

7 mol/L
7 mol/L
Question 5
A)What is the correct chemical formula for chloric acid?(1 point)
Responses

HClO2
cap h cap c l cap o sub 2

HClO3
cap h cap c l cap o sub 3

HCl

Answer 1

Here are the correct answers for each question:

Question 1 A) How are acids and protons related?
Response: An acid can donate protons to a base when they react.

Question 2 A) Which statement best describes the difference between a substance with a pH of 3.0 and a substance with a pH of 6.0?
Response: The substance with the lower pH has 1,000 times as many hydrogen ions per volume of water.

Question 3 A) Use the reaction to answer the question.
HCl + H2O → Cl– + H3O+
Which statement about the reaction is correct?
Response: HCl is an acid, and Cl– is its conjugate base.

Question 4 A) Which option correctly shows the concentration of H3O+ ions in pure water?
Response: 1.0 × 10^-7 mol/L

Question 5 A) What is the correct chemical formula for chloric acid?
Response: HClO3