In a student experiment, the empirical formula of a copper halide was found by a

Question

In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal to an aqueous solution of the halide, displacing copper metal. The copper metal was filtered, washed with distilled water, dried, and weighed; three separate determinations were performed. The copper halide solution contained 42.62 g of copper chloride per liter. The student recorded the following experimental data. Write the empirical formula of copper chloride based on the experimental data. Express your answer as a chemical formula. Is the formula CuCl3 reasonable? Yes, CuCI3 is reasonable because copper usually has a +3 charge. Yes, CuCI3 is reasonable because copper usually has a +1 or +2 charge. No, CuCI3 is not reasonable because copper usually has a +1 or +2 charge. No, CuCI3 is not reasonable because copper usually has a +3 charge.

Explanation / Answer

c

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