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Chemistry

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When 2.50 mol of Mg3N2 are allowed to react according to the following equation, how many moles of H2O also react?

Mg3N2 + 6H2O ---> 3Mg(OH)2 + 2NH3

  • Chemistry -

    2.5 mol Mg3N2 x (6 mols H2O/1 mol Mg3N2) = mols H2O. Note that the numbers in the factor (that part inside the parentheses) actually are the coefficients in the balanced equation AND that the unit we don't want to keep (mols Mg3N2) cancel and the unit we want at the end (mols H2O) remain unaffected and is the unit for the answer.

  • Chemistry -

    15 mol H20

  • Chemistry -

    15 mols

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