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Author Question: What is the pH of a 0.40 mol L-1 H2Se solution that has the stepwise dissociation constants Ka1 = ... (Read 180 times)

Tazate

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Question 1

Calculate the concentration of bicarbonate ion, HCO3-, in a 0.010 mol L-1 H2CO3 solution that has the stepwise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
◦ 4.3 × 10-9 mol L-1
◦ 5.6 × 10-11 mol L-1
◦ 4.3 × 10-7 mol L-1
◦ 6.6 × 10-5 mol L-1

Question 2

What is the pH of a 0.40 mol L-1 H2Se solution that has the stepwise dissociation constants Ka1 = 1.3 × 10-4 and
◦ 5.57
◦ 4.28
◦ 2.14
◦ 3.89


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Marked as best answer by Tazate on Nov 18, 2019

otokexnaru

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Tazate

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Reply 2 on: Nov 18, 2019
Thanks for the timely response, appreciate it


mcarey591

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Reply 3 on: Yesterday
Wow, this really help

 

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