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13 December, 23:17

2 H2 + O2 → 2 H2O

1) How many moles of H2O are produced when 5 moles of oxygen are used?

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Answers (2)
  1. 13 December, 23:31
    0
    We'll produce 10 moles of H2O if 5 moles of O2 are used

    Explanation:

    Step 1: Data given

    Number of moles oxygen = 5.0 moles

    Step 2: The balanced equation

    2H2 + O2 → 2H2O

    Step 3: Calculate number of moles of H2O produced

    For 2 moles H2 we need 1 mol O2 to produce 2 moles H2O

    For 5.0 moles O2 we'll need 2*5 = 10 moles H2 to produce 2*5 = 10 moles H2O

    We'll produce 10 moles of H2O if 5 moles of O2 are used
  2. 13 December, 23:41
    0
    10 moles

    Explanation:

    The equation for the reaction is given below:

    2H2 + O2 → 2H2O

    From the equation above,

    1 mole of O2 produced 2 moles of H2O.

    Therefore, 5 moles of O2 will produce = 5 x 2 = 10 moles of H2O

    Therefore, 10 moles of H2O are produced when 5 moles of O2 is used up.
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