Acids and Bases Square Calculations Quiz

What is the pH value of water (H₂O) in the given table?

• 7

• 10

• 5

• 9

According to the table, what is the concentration of hydroxide ions ([OH^-]) in hydrochloric acid (HCl)?

• 1 x 10⁻⁷ M

• 2.5 x 10⁻² M

• 4.0 x 10⁻¹³ M

• 1 x 10⁻³ M

What is the pH value for acetic acid (CH₃COOH) if its pOH is given as 10.2?

• 3.8

• 4.2

• 2.8

• 5.2

Which substance(s) is/are basic based on pH values?

• H₂O (7)

• HCl (1.6)

• CH₃NH₂ (9.7)

• NaHCO₃ (8.2)

What is the concentration of hydroxide ions ([OH⁻]) in sodium bicarbonate (NaHCO₃) that has a pH of 8.2?

• 1.6 x 10⁻⁶ M

• 2.5 x 10⁻² M

• 6.8 x 10⁻⁹ M

• 1 x 10⁻³ M

What is the pH of a tartaric acid solution (C₄H₆O^₆) where the [H⁺] = 2.2 x 10^-3 M?

• 2.7

• 11.3

• 7.2

• 3.1

What is the pH of a NaOH solution on the table when [OH^-] = 1.0 x 10^-2 M?

• 2

• 12

• 1.0 x 10^-12

• 3

What is the [OH^-] associated with H₂SO₃ solution with a pH of 5.0?

• 1 x 10^-9

• 1 x 10^-5

• 4.6 x 10^-12

• 1.2 x 10^-6

• 7

• 14

• 0

• 1

• 11

• 3

• 7

• -11