What volume of 0.12 M HCl must be added to 1.5 g glycine amide to make buffer at pH 8.5?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 32QAP: Enough water is added to the buffer in Question 30 to make the total volume 5.00 L. (a) Calculate...
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  1. What volume of 0.12 M HCl must be added to 1.5 g glycine amide to make buffer at pH 8.5?
  2. What volume of 0.08 M NaOH must be added to 1.1 g glycine amide hydrochloride to get a pH of 7.5?
    Suppose you want to make 250 mL 0.0700 M glycine buffer at pH 8.00.
    1. What mass of glycine amide and glycine amide HCl are needed? Hint: you need 2 eqns w/ 2 unknowns. Use the mb eqn and HH eqn.
    2. What mass of glycine amide and what volume of 0.400 M HCl are needed?
    3. What mass of glycine amide HCl and what volume of 0.600 M NaOH are needed?
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