Question: Copper has compounds with copper(I) ion or copper(II) ion. A compound of copper and chlorine was treated with a solution of silver nitrate, AgNO3, to

Copper has compounds with copper(I) ion or copper(II) ion. A compound of copper and chlorine was treated with a solution of silver nitrate, AgNO3, to convert the chloride ion in the compound to a precipitate of AgCl. A 59.40-mg sample of the copper compound gave 86.00 mg AgCl.
a. Calculate the percentage of chlorine in the copper compound.
b. Decide whether the formula of the compound is CuCl or CuCl2.

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