To a 25.00 mL volumetric flask, a lab technician adds a 0.125 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 0.0802 M KOH. She reaches the endpoint after adding 42.61 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 17.07 mL of the KOH solution, the pH of the mixture is 5.71. Determine the pKa of the weak acid. p?a=
To a 25.00 mL volumetric flask, a lab technician adds a 0.125 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 0.0802 M KOH. She reaches the endpoint after adding 42.61 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 17.07 mL of the KOH solution, the pH of the mixture is 5.71. Determine the pKa of the weak acid. p?a=
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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To a 25.00 mL volumetric flask, a lab technician adds a 0.125 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 0.0802 M KOH. She reaches the endpoint after adding 42.61 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 17.07 mL of the KOH solution, the pH of the mixture is 5.71. Determine the pKa of the weak acid.
p?a=
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