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Questions 2 and 3 pertain to the following scenario: A pharmacist wishes to prepare 2 L of stock buffer solution using ammonium chloride and ammonia to yield a pH of 8.66 for topical use. pka = 9.26 MWNH3 17.03 g/mol 2. What is the molar ratio of ammonium chloride and ammonia required? MWNHACL = 53.49 g/mol 3. If the molar concentration of the buffer is 25 mmol/L, how many milligrams of ammonium chloride and ammonia are required to produce the buffer solution in Question 2? Round to the nearest whole milligram.

Questions 2 and 3 pertain to the following scenario: A pharmacist wishes to prepare 2 L of stock buffer solution using ammonium chloride and ammonia to yield a pH of 8.66 for topical use. pka = 9.26 MWNH3 17.03 g/mol 2. What is the molar ratio of ammonium chloride and ammonia required? MWNHACL = 53.49 g/mol 3. If the molar concentration of the buffer is 25 mmol/L, how many milligrams of ammonium chloride and ammonia are required to produce the buffer solution in Question 2? Round to the nearest whole milligram.

Chemistry
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
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Questions 2 and 3 pertain to the following scenario: A pharmacist wishes to prepare 2 L of stock buffer solution using ammonium chloride and ammonia to yield a pH of 8.66 for topical use. 1 pka = 9.26 MWNH3 = 17.03 g/mol MWNHACL = 53.49 g/mol 2. What is the molar ratio of ammonium chloride and ammonia required? 3. If the molar concentration of the buffer is 25 mmol/L, how many milligrams of ammonium chloride and ammonia are required to produce the buffer solution in Question 2? Round to the nearest whole milligram.
Transcribed Image Text:Questions 2 and 3 pertain to the following scenario: A pharmacist wishes to prepare 2 L of stock buffer solution using ammonium chloride and ammonia to yield a pH of 8.66 for topical use. 1 pka = 9.26 MWNH3 = 17.03 g/mol MWNHACL = 53.49 g/mol 2. What is the molar ratio of ammonium chloride and ammonia required? 3. If the molar concentration of the buffer is 25 mmol/L, how many milligrams of ammonium chloride and ammonia are required to produce the buffer solution in Question 2? Round to the nearest whole milligram.
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