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		Calculate molar mass | 
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| Calculations: Formula: H2c2O4 Molar Mass: 90.0338 g/mol 1g=1.11069398381497E-02 mol Percent composition (by mass): Element Count Atom Mass %(by mass) H 2 1.0079 2.24% c 2 12.011 26.68% O 4 15.999 71.08%  | 
		
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