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Chem Also Urgent!

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How do I determine the number of grams for the following substance: 2.40 mol O2?

  • Chem Also Urgent! -

    1mol =16 gO
    2.40 mol O2* (32gO2/1molO2)
    =76.8gO2

  • Chem Also Urgent! -

    grams = mols x molar mass

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