# chemistry

How many moles are in 15 grams of Lithium oxide? I got 5.0205 mol Lithium oxide but I just wanted to see if anyone else got this.

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1. I used 29.881 for the molar mass of Li2O and obtained 0.50199 mol which round to 0.502 to 3 significant figures.
15.0/29.881 = ?

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