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		Calculate molar mass | 
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| Calculations: Formula: c4h9nh2 Molar Mass: 73.1379 g/mol 1g=1.36728016527683E-02 mol Percent composition (by mass): Element Count Atom Mass %(by mass) c 4 12.011 65.69% h 11 1.0079 15.16% n 1 14.007 19.15%  | 
		
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