50.0 mL aqueous solution containing 2.500 g of an unknown base, RNH. base. 59.90 mL of 0.925 M HCl to reach the equivalence point. The pH after the HCl addition is 10.77. a) What is the molar mass of the unknown base? b) What is Kb for the unknown base?
50.0 mL aqueous solution containing 2.500 g of an unknown base, RNH. base. 59.90 mL of 0.925 M HCl to reach the equivalence point. The pH after the HCl addition is 10.77. a) What is the molar mass of the unknown base? b) What is Kb for the unknown base?
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 56QAP
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50.0 mL aqueous solution containing 2.500 g of an unknown base, RNH. base.
59.90 mL of 0.925 M HCl to reach the equivalence point.
The pH after the HCl addition is 10.77.
a) What is the molar mass of the unknown base? |
b) What is Kb for the unknown base? |
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