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How many grams of Br are in 115 g CaBr₂?
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How many grams of Br are in 115 g CaBr₂?

User Seryh
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1 Answer

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Answer: 95.7 g Br

Explanation: Molecular weight of Ca = 40.78

Molecular weight of Br is 79.9.

Molecular weight of CaBr2 is 192g/mol

115g CaBr2 x 1 mol CaBr/192g = 0.6 x 2 mol Br/1mol CaBr2 = 1.2 mol Br

1.2 mol Br x 79.9g Br/mol Br = 95.7g Br

User Charles Khunt
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