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If 0.500 mol of copper combines with 0.250 mol of sulfur, what is the empirical formula of the copper sulfide product?

If 0.500 mol of copper combines with 0.250 mol of sulfur, what is the empirical formula of the copper sulfide product?
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If 0.500 mol of copper combines with 0.250 mol of sulfur, what is the empirical formula of the copper sulfide product?

User Jon Calder
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The chemical formulae for copper and sulfur are Cu and S, respectively. The reaction between the elements is,
(1/2)Cu + (1/4)S -->
2Cu + S ---> Cu2S
Thus, the empirical formula of the product is Cu2S.
User Nicholsonjf
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