Question

A 50.0 ml of impure CaCl2 .2H2O solution sample was
treated with excess AgNO3 solution. The resulting ppt. AgCl
was filtered, washed and dried. It weighed 0.1873 g.
Calculate the % CaCl2.2H2O in solution then express the
conc. of chloride and calcium ions in terms of ppm.
(FW AgCl = 143.32, CaCl2.2H2O= 146.99, Ca = 40.08, Cl =
35.453)​

Answer 1

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