Friday, September 14, 2007

9/14/2007 B block homework

Molecular mass and percent composition problems:
Molecular mass problems:
1. C7H5(NO2)3

2. NaHCO3

3. CH3Cl

Percent composition problems:
1. CH3COOH

2. Mg(OH)2

3. C7H5(NO2)3
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