A buffer consists of 0.22 M KHCO3 and 0.37 M K2CO3.
Chapter 19, Problem 19.21(choose chapter or problem)
A buffer consists of 0.22 M KHCO3 and 0.37 M K2CO3. Carbonic acid is a diprotic acid with Ka1 ? 4.5?107 and Ka2 ? 4.7?1011. (a) Which Ka value is more important to this buffer? (b) What is the buffer pH?
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