Asked by Kelly

How many moles of Al2O3 exist in 250.0 g of sample? Please help tried still can't understand how to get it. Need before tomorrow. Thanks so much.
Answered by DrBob222
The mass of 1 mole of anything is the same as the molar mass in grams; therefore, mols = grams/molar mass = ?
Answered by Penny
Dubs
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