patricklap9652 patricklap9652

22-03-2024
Chemistry

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A solution containing 0.0138M maleic acid and 0.0188M disodium maleate. The Ka values for maleic acid are 1.20×10 −2 (for K a1 ) and 5.37×10 −7 (for K a2 ). Calculate the pH of the solution.
A. pH = 2.12
B. pH = 4.78
C. pH = 7.00
D. pH = 9.36

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