Question: Citric acid (H3C6H5O7) is a triprotic acid with Ka1 = 8.4 10-4, Ka2 = 1.8 10-5, and Ka3 = 4.0 10-6. Calculate

Citric acid (H3C6H5O7) is a triprotic acid with Ka1 = 8.4 × 10-4, Ka2 = 1.8 × 10-5, and Ka3 = 4.0 × 10-6. Calculate the pH of 0.15 M citric acid.

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