mike asked in Science & MathematicsChemistry · 1 decade ago

how many grams of Al are in 21.7g of Al2O3?

can u just tell me how to do it u dont need to give me the answer or anything...

2 Answers

  • 1 decade ago
    Favorite Answer

    21.7gAl2o3(1/total formula mass)(2 mol/1mol)(mass of Al/1 mole)

    answer should be around 10 w/o sig figs

  • 1 decade ago

    mass of Al divided by over all mass ( 21.7)

    Source(s): apchem
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