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Author Question: What is the pH of a 0.20 M H2Se solution that has the stepwise dissociation constants Ka1 = 1.3 ... (Read 107 times)

nmorano1

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on: Feb 15, 2020

Question 1

Calculate the concentration of bicarbonate ion, HCO3-, in a 0.050 M H2CO3 solution that has the stepwise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
◦ 2.2 × 10-8 M
◦ 1.5 × 10-4 M
◦ 5.6 × 10-11 M
◦ 4.3 × 10-7 M

Question 2

What is the pH of a 0.20 M H2Se solution that has the stepwise dissociation constants Ka1 = 1.3 × 10-4 and Ka2 = 1.0 × 10-11?
◦ 4.59
◦ 2.29
◦ 3.89
◦ 5.57
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by nmorano1 on Feb 15, 2020

Carissamariew

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Reply #1 on: Feb 15, 2020
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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nmorano1

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Reply 2 on: Feb 15, 2020
YES! Correct, THANKS for helping me on my review

JaynaD87

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Reply 3 on: Yesterday
Excellent

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