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Determine the pH of a 50.00 ml solution made up of 0.9602g of disodium salt of maleic acid (Na2A) and 0.522 g of the monosodium salt (NaHa) following the addition of
a. 25.00 ml of 0.1200 M HCl
b. 50.00 ml of 0.1200 M HCl
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