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Niki asked in Science & MathematicsChemistry · 9 months ago

How many moles of CaO will be produced from 63.40 g of O2?

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  • Anonymous
    9 months ago

    Zero.

    You also need some calcium.

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  • 9 months ago

    Calcium oxide .....

    2Ca(s) + O2(g) --> 2CaO(s)

    .............. 63.40g ......? mol

    63.40g O2 x (1 mol O2 / 31.998g O2) x (2 mol CaO / 1 mol O2) = 3.963 mol CaO ....... express the answer to four significant digits

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