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		Calculate molar mass | 
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| Calculations: Formula: K2.5H2O Molar Mass: 168.27 g/mol 1g=5.9428299756344E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) K 2 39.098 46.47% H 10 1.0079 5.99% O 5 15.999 47.54%  | 
		
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