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Author Question: When 2.4 102 mol of nicotinic acid (a monoprotic acid) is dissolved in 350 mL of water, the pH is ... (Read 96 times)

daltonest1984

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Question 1

What is the pOH of pure water at 20oC? (Kw at 20oC = 6.87 × 10–15)

6.918
7.000
14.000
14.163
7.082

Question 2

When 2.4 × 10–2 mol of nicotinic acid (a monoprotic acid) is dissolved in 350 mL of water, the pH is 3.05. Calculate the Ka of nicotinic acid.

1.3 × 10–2
1.2 × 10–5
6.8 × 10–2
3.4 × 10–5
None of these are correct.


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Marked as best answer by daltonest1984 on Mar 21, 2021

bfulkerson77

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daltonest1984

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review


duy1981999

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Reply 3 on: Yesterday
Wow, this really help

 

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