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Author Question: Calculate the [H+] in a 0.096 M solution of HCN, Ka = 6.2 1010. (Read 139 times)

Zoey63294

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on: Mar 21, 2021

Question 1

Calculate the [H+] in 1.0 M solution of Na2CO3 (for H2CO3, Ka1 = 4.3 10–7; Ka2 = 5.6 10–11).

◦ 7.5 × 10–6M
◦ 6.6 × 10–4M
◦ 1.3 × 10–2M
◦ 7.5 × 10–13M
◦ None of these are correct.

Question 2

Calculate the [H+] in a 0.096 M solution of HCN, Ka = 6.2 × 10–10.

◦ 1.0 × 10–7M
◦ 7.7 × 10–6M
◦ 6.0 × 10–11M
◦ 1.5 × 10–5M
◦ None of these are correct.
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Marked as best answer by Zoey63294 on Mar 21, 2021

Kimmy

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Reply #1 on: Mar 21, 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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Athi Luwaca

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Reply #2 on: Nov 11, 2021
thank you! x
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