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Author Question: What is the pH of a buffer solution that is 0.255 mol L-1 in hypochlorous acid (HClO) and 0.333 mol ... (Read 265 times)

washai

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Question 1

What is the pH of a buffer solution prepared by dissolving 25.5 g NaC2H3O2 in a sufficient volume of 0.550 M aqueous HC2H3O2 to make 500.0 mL of buffer?
◦ 4.74
◦ 4.68
◦ 4.91
◦ 4.57
◦ 4.79

Question 2

What is the pH of a buffer solution that is 0.255 mol L-1 in hypochlorous acid (HClO) and 0.333 mol L-1 in sodium hypochlorite (NaClO)? The Ka of hypochlorous acid is 3.8 × 10-8.
◦ 13.88
◦ 6.46
◦ 8.49
◦ 7.30
◦ 7.54


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Marked as best answer by washai on Jul 8, 2021

parker125

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washai

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it


diana chang

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Reply 3 on: Yesterday
Excellent

 

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