Problem: A buffer consists of 0.22 M KHCO3 and 0.37 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5×10−7 and Ka2 = 4.7×10−11.(b) What is the buffer pH?

🤓 Based on our data, we think this question is relevant for Professor Salmon's class at UMN.

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pH=-log(Ka)+log(conjugate baseweak acid)

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Problem Details

A buffer consists of 0.22 M KHCO3 and 0.37 M K2CO3. Carbonic acid is a diprotic acid with Ka= 4.5×10−7 and Ka= 4.7×10−11.

(b) What is the buffer pH?

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

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Based on our data, we think this problem is relevant for Professor Salmon's class at UMN.

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.