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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 242 times)

washai

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on: Jul 8, 2021

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
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by washai on Jul 8, 2021

parker125

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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washai

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Reply 2 on: Jul 8, 2021
Excellent

Joy Chen

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Reply 3 on: Yesterday
Gracias!

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