APFIVE Mixture Composition by Gravimetric Analysis
A mixture contains only NaCl and KCl. When 5.00 g of this mixture is dissolved in water and excess AgNO₃ is added, 12.45 g of AgCl precipitate forms. What is the mass percentage of KCl in the original mixture?
A
7.1%
B
45.2%
C
61.4%
D
54.8%
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