Three pure compounds form when 1.50 g samples of element X combine with, respectively, 0.708 g, 0.945 g and 1.184 g of element Z. The first compound has the formula X2Z3. Find the empirical formulas of other two compounds.
Empirical formula ="X_2Z_5"
"X_2Z_5" and "X_2Z_4"
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