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19 March, 18:16

The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H20) and O2 gas.

Which coefficients would be placed in front of water and oxygen?

2 in front of water and 2 in front of oxygen

1 in front of water and 2 in front of oxygen

1 in front of water and 1 in front of oxygen

2 in front of water and 1 in front of oxygen

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Answers (2)
  1. 19 March, 19:17
    0
    2 in front of water and 1 in front of oxygen

    Explanation:

    There are 4 oxygen atoms in the reactants, so there will be 4 oxygen atoms in the products.

    If you have 2 O₂ molecules, there won't be any oxygen atoms left for H₂O molecules. So there must be a 1 coefficient in front of the O₂ product.

    If there's 1 O₂, that leaves 2 oxygen atoms for water. So there must be a 2 coefficient in front of the H₂O.
  2. 19 March, 20:41
    0
    3 1/4

    Explanation:

    cause the 1 in front is bigger then the 2 in the back
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