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		Calculate molar mass | 
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| Calculations: Formula: MgS04.7H20 Molar Mass: 293.651 g/mol 1g=3.4054030124195E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Mg 1 24.305 8.28% S 4 32.06 43.67% H 140 1.0079 48.05%  | 
		
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