A 0.552-g sample of ascorbic acid (vitamin C) was dissolved in water to a total volume of
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A 0.552-g sample of ascorbic acid (vitamin C) was dissolved in water to a total volume of 20.0 mL and titrated with 0.1103 M KOH. The equivalence point occurred at 28.42 mL. The pH of the solution at 10.0 mL of added base was 3.72. From this data, determine the molar mass and Ka for vitamin C.
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Somshukla Chakraborty
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