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10 February, 23:57

Calculate the percent composition of bromine in kBr

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  1. 11 February, 00:18
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    Kalium bromide molecule is made by 1 atom of Kalium and 1 atom of Bromine. Since the molecular weight of KBr is 119.02 g/mol and Bromine atomic mass is 79.904g/mol, the percent composition of bromine would be: (79.904g/mol) / (119.02 g/mol) * 100% = 67.13%
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