Suppose 500 mL of 0.200 M chloroacetic acid , which has a pK_a of 2.854, solution is titrated with 75.0 mL of a 1.00 M NaOH. What is the final pH? The error interval is +/- 0.2 pH units. Answer is 3.33. Show your work.

Suppose you need to create 725 mL of a pH 3.50 solution in water. You have a 0.0250 molar concentrated solution of HCl. How much of this concentrated acid solution will need to be added to a 725 mL volumetric flask and then diluted with water to obtain a final volume of 725 mL at the desired pH? Units are mL.

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Question

Suppose 500 mL of 0.200 M chloroacetic acid , which has a pK_a of 2.854, solution is titrated with 75.0 mL of a 1.00 M NaOH. What is the final pH? The error interval is +/- 0.2 pH units. Answer is 3.33. Show your work.

Suppose you need to create 725 mL of a pH 3.50 solution in water. You have a 0.0250 molar concentrated solution of HCl. How much of this concentrated acid solution will need to be added to a 725 mL volumetric flask and then diluted with water to obtain a final volume of 725 mL at the desired pH? Units are mL.

Thank you

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