We are asked to calculate the pH of a solution that is 1.5 M in H2CO3 and 1.0 M in NaHCO3.
Recall that H2CO3 is a diprotic acid which can donate two protons, [H+], in solution. We get the dissociation of H2CO3 in water as follows:
What would be the pH of a buffer that is 1.5 M in H 2CO3 and 1.0 M in NaHCO3?
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