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10 January, 10:10

Aluminum metal reacts with dilute sulfuric acid to produce aluminum sulfate and hydrogen gas. what mass of aluminum will react with 5.890 g of sulfuric acid

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  1. 10 January, 12:51
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    Aluminium reacts with dilute sulfuric acid based on the following reaction:

    2Al + 3H2SO4 ... > Al2 (SO4) 3 + 3H2

    From the periodic table:

    mass of aluminium = 27 grams

    mass of hydrogen = 1 gram

    mass of oxygen = 16 grams

    mass of sulfur = 32 grams

    Therefore:

    molar mass of aluminium = 27 grams

    molar mass of sulfuric acid = 2 (1) + 32 + 4 (16) = 98 grams

    From the balanced chemical equation:

    2 moles of aluminium react with 3 moles of dilute sulfuric acid.

    This means that 34 grams of Al react with 294 grams of the acid

    To get the amount of aluminium that reacts with 5.890 g of sulfuric acid, we will do cross multiplication as follows:

    amount of Al = (5.890 x 34) / 294 = 0.6811 grams
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