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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 113 times)

nmorano1

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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


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Marked as best answer by nmorano1 on Feb 15, 2020

Carissamariew

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nmorano1

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Reply 2 on: Feb 15, 2020
:D TYSM


nyrave

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Reply 3 on: Yesterday
Wow, this really help

 

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