Author Question: Solid calcium hydroxide is dissolved in water until the pH of the solution is 11.35. The hydroxide ... (Read 28 times)

saraeharris · **on:** Mar 21, 2021

Question 1

Saccharin is a monoprotic acid. If the pH of a 4.33 × 10^–3M solution of this acid is 2.53, what is the K_a of saccharin?

◦ 8.7 × 10^–6
◦ 2.0 × 10^–3
◦ 6.3 × 10^–3
◦ 2.9 × 10^–3
◦ None of these are correct.

Question 2

Solid calcium hydroxide is dissolved in water until the pH of the solution is 11.35. The hydroxide ion concentration [OH^–] of the solution is:

◦ 4.5 × 10^–12M.
◦ 4.5 × 10^–3M.
◦ 2.2 × 10^–3M.
◦ 1.1 × 10^–3M.
◦ None of these are correct.

hollysheppard095 · **Reply #1 on:** Mar 21, 2021

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