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22 December, 05:21

2Mg + O2 = 2MgO. Magnesium is the limiting reactant if 2.5g of magnesium is reacted how much magnesium oxide is made?

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  1. 22 December, 05:59
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    The answer for the following problem is mentioned below.

    Therefore; if 2.5g of magnesium is reacted then 4.16 grams of magnesium oxide is reacted.

    Explanation:

    Given:

    mass of magnesium = 2.5 grams

    We know;

    molar mass of magnesium (Mg) = 24 grams

    molar mass of magnesium oxide (MgO) = 24 + 16 = 40 grams

    2Mg + O2 → 2MgO

    2*24 2*40

    If;

    2*24 grams of Mg → 2*40 grams of MgO

    Then;

    2.5 grams of Mg →?

    = (2*40 * 2.5) : 2*24

    = 4.16 grams

    Therefore; if 2.5g of magnesium is reacted then 4.16 grams of magnesium oxide is reacted.

    So therefore 4.16 grams of magnesium oxide is made.
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