Problem: Calculate the [H3O+] and pH of each polyprotic acid solution.a. 0.125 M H2CO3

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Calculate the [H3O+] and pH of 0.125 M H2CO3

[H2CO3] = 0.125 M


H2CO↔ H+ + HCO3 Ka1 = 4.3x10-7

H2CO↔ H+ + CO32-    Ka2= 4.7x10-11

Ka1 = [H3O+][HCO3-][H2CO3]

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Problem Details

Calculate the [H3O+] and pH of each polyprotic acid solution.
a. 0.125 M H2CO3

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