At 25 ∘C phosphoric acid, H3PO4, has the following equilibrium constants: Ka1Ka2Ka3===7.5×10−36.2×10−84.2×10−13 What is the pH...

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At 25 ∘C phosphoric acid, H3PO4, has the following equilibrium constants: Ka1Ka2Ka3===7.5×10−36.2×10−84.2×10−13

What is the pH of a solution of 0.500 mol L−1mol L−1 KH2PO4, potassium dihydrogen phosphate?

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