chemistry

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water is 88.8% by mass oxygen. How many grams of water would contain 2.25kg of oxygen?

  • chemistry -

    0.888*?g H2O = 2250g
    Solve for ?g

  • chemistry -

    I need answer using conversion factors

  • chemistry -

    The above is for 2250 g O atoms, not O2. Oxygen is 88.8% H2O by (16/18.015)*100 = 88.815%.
    2250 g O x (1 mol H2O/1 mol O atoms) x (molar mass H2O/1 mol H2O) x (1 mol O atoms/atomic mass O) = ? g H2O for 2250 g O atoms. If you want 2250 g O2 you will need to correct for that.

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