Rita has a solid Ca(OH)2 and also has 2 solutions, namely; 500 mL HF solution with a concentration of 0.02 M and 500 mL of 0.0005 M. Ca(OH)2 solution Rita wants to make a Buffer solution with a pH of 5.48 around 100 mL (assume there is no change in volume), a. Calculate the pH of Rita's solution of HF and Ca(OH)2? b. If Rita wants to make a buffer solution using 100 mL of the HF solution, how many grams of Ca(OH)2 must be added? c. If using the existing Ca(OH)2 solution, how many mL of Ca(OH)2 solution should Rita add?
Rita has a solid Ca(OH)2 and also has 2 solutions, namely; 500 mL HF solution with a concentration of 0.02 M and 500 mL of 0.0005 M. Ca(OH)2 solution Rita wants to make a Buffer solution with a pH of 5.48 around 100 mL (assume there is no change in volume), a. Calculate the pH of Rita's solution of HF and Ca(OH)2? b. If Rita wants to make a buffer solution using 100 mL of the HF solution, how many grams of Ca(OH)2 must be added? c. If using the existing Ca(OH)2 solution, how many mL of Ca(OH)2 solution should Rita add?
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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 46E: An aqueous solution contains dissolved C6H5NH3Cl and C6H5NH2. The concentration of C6H5NH2 is 0.50 M...
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Transcribed Image Text:Rita has a solid Ca(OH)2 and also has 2 solutions, namely;
500 mL HF solution with a concentration of 0.02 M and 500 mL of 0.0005 M.
Ca(OH)2 solution
Rita wants to make a Buffer solution with a pH of 5.48 around 100 mL (assume there
is no change in volume),
a. Calculate the pH of Rita's solution of HF and Ca(OH)2?
b. If Rita wants to make a buffer solution using 100 mL of the HF solution, how many
grams of Ca(OH)2 must be added?
c. If using the existing Ca(OH)2 solution, how many mL of Ca(OH)2 solution should
Rita add?
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