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20 January, 00:51

What coefficient is assumed if no coefficient

written before a formula in a chemical equation

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Answers (1)
  1. 20 January, 01:56
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    Explanation:

    Consider the following reaction:

    Phosphorus burn in the presence of air and produced diphosphorus pentoxide.

    Chemical equation:

    P₄ + O₂ → P₂O₅

    Balanced chemical equation:

    P₄ + 5O₂ → 2P₂O₅

    Equation is balanced because there are four phosphorus atoms ans ten oxygen atoms in both side of equation.

    Coefficient with reactant and product:

    P₄ 1

    O₂ 5

    P₂O₅ 2

    There is no coefficient written before P₄ it means only one P₄ is present.
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