How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

Sulfuric acid can dissolve aluminum metal according to the following reaction…


Suppose you wanted to dissolve an aluminum block with a mass of 26.9g

1 Answer

  • Convert the mass of Aluminum to moles:

    (26.9 g) X (1/26.98) = .997 mol Al

    Molar ratio:

    (.997 mol) X (3 mol H2/2 mol Al) = 1.4955 mol H2

    Convert the moles of H2 to grams:

    (1.4955 mol H2) X (2.016 g H2/ 1 mole H2) = 3.01 g H2

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