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Chemistry, 16.04.2020 22:35 kobiemajak
To a 25.00 mL volumetric flask, a lab technician adds a 0.225 g sample of a weak monoprotic acid, HA , and dilutes to the mark with distilled water. The technician then titrates this weak acid solution with 0.0951 M KOH . She reaches the endpoint after adding 46.97 mL of the KOH solution. Determine the number of moles of the weak acid in the solution. moles of weak acid: mol Determine the molar mass of the weak acid. molar mass = g / mol After the technician adds 15.85 mL of the KOH solution, the pH of the mixture is 4.57 . Determine the p K a of the weak acid.
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To a 25.00 mL volumetric flask, a lab technician adds a 0.225 g sample of a weak monoprotic acid, HA...
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