Question

The reaction of zinc and chlorine requires 0.00624 mol of Zn and 0.0125 mol of Cl to react exactly to form zinc chloride. What is the mole ratio of Zn to Cl? What is the empirical formula of zinc chloride?
The ratio of Zn to chlorine is
0.005624/0.0125 = 1:2
ZnCl2 is the formula.

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