What is the pH of a 0.600 M solution of H₂PO₄⁻? The K_a of H₂PO₄⁻ is 6.2 × 10⁻⁸.

Name: What is the pH of a 0.600 M solution of H 2 PO 4 − ? The K a of H 2 PO 4 − is 6.2 × 10 −8 .
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The pH of the solution can be calculated using the formula pH = 0.5(pKa - log[acid]), where pKa = -log(Ka). Given Ka = 6.2 × 10^-8, pKa = -log(6.2 × 10^-8) ≈ 7.21. Substituting the values, pH = 0.5(7.21 - log(0.600)) ≈ 3.71.

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