Problem: What is A, if 64.0 g of A combines exactly with 142 g of Cl to give the compound ACl 2? A. Br B. Mg C. Ca D. S E. Ba

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What is A, if 64.0 g of A combines exactly with 142 g of Cl to give the compound ACl 2?

A. Br

B. Mg

C. Ca

D. S

E. Ba

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