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		Calculate molar mass | 
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| Calculations: Formula: Al2(CO3)3.6H2O Molar Mass: 342.0768 g/mol 1g=2.92332014331285E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Al 2 26.982 15.78% C 3 12.011 10.53% O 15 15.999 70.16% H 12 1.0079 3.54%  | 
		
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