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16 December, 18:34

P4O10 + 6H2O 4H3PO4 How many moles of water are consumed if 0.729 mol H3PO4 are produced?

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  1. 16 December, 18:52
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    1) State the equation that represents the chemical reaction

    P2O5 + 3H2O → 2H3PO4

    2) State the molar ratios: 1 mol P2O5 : 3 mol H2O : 2 mol H3PO4

    3) Use the proportions 3molH2O / 2 mol H3PO4

    0.729 mol H3PO4 * [ 3 mol H2O / 2 mol H3PO4] = 1.094 mol H2O

    Answer: 1.094 mol of water
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