A chemistry graduate student is given 100. mL of a 0.80M ammonia (NH,) solution. Ammonia is a weak base with K,=1.8 × 10. What mass of NH,CI should the student dissolve in the NH, solution to turn it into a buffer with pH =9.27? You may assume that the volume of the solution doesn't change when the NH,CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. ?
A chemistry graduate student is given 100. mL of a 0.80M ammonia (NH,) solution. Ammonia is a weak base with K,=1.8 × 10. What mass of NH,CI should the student dissolve in the NH, solution to turn it into a buffer with pH =9.27? You may assume that the volume of the solution doesn't change when the NH,CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. ?
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 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to...
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