CHEMISTRY

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If 6.50 g of the unknown compound contained 0.217 mol of C and 0.433 of H, how many moles of oxygen,O, were in the sample?

  • CHEMISTRY -

    g C = 0.217 mol C x atomic mass C
    g H = 0.436 mol?(no unit) x atomic mass H
    gC + gO + gH = 6.50 g.

  • CHEMISTRY -

    0.216 mole

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