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3 March, 07:14

Using 3 O2 molecules and 5 H2 molecules, how many water molecules can be produced? Do you have any left over?

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  1. 3 March, 10:05
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    5 molecules of water are formed.

    1 Oxygen atom is left over.

    Explanation:

    Hydrogen reacts with oxygen to form water.

    H₂ + O₂ - H₂O

    We need to balance the above equation. On balancing we get,

    2H₂ + O₂ - 2H₂O

    When 3 O₂ molecule reacts with 5H₂O, then the equation becomes

    5H₂ + 3O₂ - 5H₂O + O

    5 molecules of water are formed.

    1 Oxygen atom is left over.
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