What are the products of a neutralization reaction

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Reference no: EM132523687

Question 1) In the following reaction:

HCO₃^- _(aq) + H₂O _(aq) → H₂CO₃ _(aq) + OH^- _(aq)

A) HCO₃^- is an acid and H₂CO₃ is its conjugate base.

B) H₂O is an acid and OH^- is its conjugate base.

C) HCO₃^- is an acid and OH^- is its conjugate base.

D) H₂O is an acid and H₂CO₃ is its conjugate base.

E) H₂O is an acid and HCO₃^- is its conjugate base.

What is tricky or confusing about this answer that makes it the "best" wrong answer?

Question 2) What are the products of a neutralization reaction?

A) salt and carbon dioxide

B) carbon dioxide and water

C) water and salt

D) oil and water

How does this information connect to something learned in another unit?

Question 3) Exactly 17.0 mL of a H₂SO₄ solution was required to neutralize 45.0 mL of 0.235 M NaOH. What was the concentration of the H₂SO₄ solution?

A) 5.63 M

B) 0.622 M

C) 0.00529 M

D) 0.311 M

Why might someone incorrectly choose this answer?

(Do not just say they calculated incorrectly. Be specific about what their mistake would have been to get the incorrect answer.)

Question 4) Substances that can act both as an acid and as a base are called:

A) neutral.

B) buffers.

C) indicators.

D) amphoteric.

Rewrite the question to make this incorrect answer the correct answer.

Question 5) What is the concentration of the hydronium ions in an acidic solution?

A) 0.0 M

B) 1.0 x 10^-7 M

C) 1.0 x 10^-14M

D) > 1.0 x 10^-7M

E) < 1.0 x 10^-7M

Question 6) If the pH of an aqueous solution changed from 9.10 to 4.67, what happened to the hydronium ion concentration?

A) It decreased.

B) It became zero.

C) It became less than zeroD) It increased.

Why might someone incorrectly choose this answer?

Question 7) What is the concentration of hydronium ion in a 0.121 M HCl solution?

A) 1.0 M

B) < 0.121 M

C) 0.121 M

D) not enough information
Rewrite the question to make this incorrect answer the correct answer.

Question 8) What is the pH of a solution that has a [OH^-] = 0.0033 M?

A) 2.48

B) 7.0033

C) 11.52

D) 3.3

What is tricky or confusing about this answer that makes it the "best" wrong answer?

Attachment:- Acid-base.rar

Reference no: EM132523687

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