DAT DAT - Dental Admission General Chemistry: Acid-Base Chemistry

Question 1

What is the pH of a solution where [H⁺] = 1 × 10⁻³ M?

Accepted Answer

3

Answer

11

Answer

7

Answer

1

Question 2

According to the Brønsted-Lowry definition, an acid is a substance that:

Accepted Answer

Donates a proton

Answer

Accepts a proton

Answer

Donates an electron pair

Answer

Accepts an electron pair

Question 3

When H₂CO₃ donates one proton, its conjugate base is:

Accepted Answer

HCO₃⁻

Answer

H₃O⁺

Answer

CO₃²⁻

Answer

OH⁻

Question 4

A strong acid in aqueous solution:

Accepted Answer

Completely dissociates

Answer

Partially dissociates

Answer

Does not dissociate

Answer

Forms a buffer with water

Question 5

What is the pOH of a solution where [OH⁻] = 1 × 10⁻⁵ M?

Accepted Answer

5

Answer

9

Answer

7

Answer

14

Question 6

At 25°C, the sum of pH and pOH for any aqueous solution equals:

Accepted Answer

14

Answer

7

Answer

1

Answer

10