Problem: 1. How many ATOMS of phosphorus are present in 1.91 grams of phosphorus pentachloride, PCI5? 2. How many GRAMS of chlorine are present in 3.28 x 1021 molecules of phosphorus pentachloride? 

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1. How many ATOMS of phosphorus are present in 1.91 grams of phosphorus pentachloride, PCI5

2. How many GRAMS of chlorine are present in 3.28 x 1021 molecules of phosphorus pentachloride? 


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