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


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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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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Polyprotic Acid concept. You can view video lessons to learn Polyprotic Acid. Or if you need more Polyprotic Acid practice, you can also practice Polyprotic Acid practice problems.

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Based on our data, we think this problem is relevant for Professor Farris' class at UML.