Problem: Sulfuric acid dissolves aluminum metal according to the following reaction: 2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)Suppose you wanted to dissolve an aluminum block with a mass of 15.2 g. What mass of H2 gas would be produced by the complete reaction of the aluminum block?

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We are asked what mass of H2 gas would be produced by the complete reaction of the aluminum block.


Molar mass Al = 26.98 g/mol

Molar mass H2 = 2.02 g/mol


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Problem Details

Sulfuric acid dissolves aluminum metal according to the following reaction: 2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)

Suppose you wanted to dissolve an aluminum block with a mass of 15.2 g. What mass of H2 gas would be produced by the complete reaction of the aluminum block?

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