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What Is the Concentration of HCO3- in a 0

Question 40

Multiple Choice

What is the concentration of HCO3- in a 0.010 M solution of carbonic acid,H2CO3? For carbonic acid,Ka1 = 4.2 × 10-7 and Ka2 = 4.8 × 10-11.


A) 6.5 × 10-5 M
B) 1.0 × 10-2 M
C) 3.2 × 10-5 M
D) 4.8 × 10-11 M
E) 4.2 × 10-7 M

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