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A treatment of a 0.2500-g sample of impure potassium chloride (KCI) with an excess of AGNO3 (169.87 g/mol) resulted in the formation of 0.2912-g of AgCI (143.32 g/mol). Calculate the percentage of KCI (74.55 g/mol) in the sample. Now remember, in order to get the % KCI, you need to use this formula: mass of KCl (Converting the mass of AgCl to mass of KCI) %KCI = × 100 mass of the sample

A treatment of a 0.2500-g sample of impure potassium chloride (KCI) with an excess of AGNO3 (169.87 g/mol) resulted in the formation of 0.2912-g of AgCI (143.32 g/mol). Calculate the percentage of KCI (74.55 g/mol) in the sample. Now remember, in order to get the % KCI, you need to use this formula: mass of KCl (Converting the mass of AgCl to mass of KCI) %KCI = × 100 mass of the sample

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A treatment of a 0.2500-g sample of impure potassium chloride (KCI) with an excess of AGNO3 (169.87 g/mol) resulted in the formation of 0.2912-g of A9CI (143.32 g/mol). Calculate the percentage of KCI (74.55 g/mol) in the sample. Now remember, in order to get the % KCI, you need to use this formula: mass of KCl (Converting the mass of AgCl to mass of KCI) %KCI = x 100 mass of the sample 96.50 % 50.96 % 59.60 % 60.59 %
Transcribed Image Text:A treatment of a 0.2500-g sample of impure potassium chloride (KCI) with an excess of AGNO3 (169.87 g/mol) resulted in the formation of 0.2912-g of A9CI (143.32 g/mol). Calculate the percentage of KCI (74.55 g/mol) in the sample. Now remember, in order to get the % KCI, you need to use this formula: mass of KCl (Converting the mass of AgCl to mass of KCI) %KCI = x 100 mass of the sample 96.50 % 50.96 % 59.60 % 60.59 %
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