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Author Question: Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and ... (Read 77 times)

kmcolvin

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on: Nov 5, 2023

Question 1

Calculate the pH of a buffer solution prepared by dissolving 0.2 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 × 10–4]
◦ 0
◦ 3.0
◦ 3.7
◦ 4.4
◦ 5.0

Question 2

Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution.
         [Ka(HCNO) = 2.0 × 10–4]
◦ 0.97
◦ 3.10
◦ 4.40
◦ 3.70
◦ 4.30
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by kmcolvin on Nov 5, 2023

Nutellas_Good

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Reply #1 on: Nov 5, 2023
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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kmcolvin

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

raili21

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Reply 3 on: Yesterday
Excellent

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