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Science · Chemistry
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7. A weak acid H3A has pKa values of 1.95 (pKa1), 3.08 (pKaz), and 9.54 (pKa3). The disodium of that weak salt acid was dissolved in deionized water to make 250.0 mL of a 0.025 M solution. A) What was the pH of the resulting solution? B) What was the equilibrium concentration of H2A? c) What was the value of aA3-?
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