Please help with chemistry and explain?

Posted on 2015-10-19 06:33:00 in Chemistry by MORKEL

Problem 4.79
You want to analyze a silver nitrate solution.
Part A
You could add HCl(aq) to the solution to precipitate out AgCl(s). What volume of a 0.160 M HCl(aq) solution is needed to precipitate the silver ions from 20.0 mL of a 0.210 M AgNO3 solution?
Express your answer with the appropriate units.
VHCl =

Part B
You could add solid KCl to the solution to precipitate out AgCl(s). What mass of KCl is needed to precipitate the silver ions from 20.0 mL of 0.210 M AgNO3 solution?
Express your answer with the appropriate units.
mKCl =

Part C
Given that a 0.160 M HCl(aq) solution costs $39.95 for 500 mL, and that KCl costs $10/ton, which analysis procedure is more cost-effective?
Given that a 0.160 solution costs $39.95 for 500 , and that costs $10/ton, which analysis procedure is more cost-effective?
HCl analysis
KCl analysis

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