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chemistry

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

Suppose you wanted to dissolve an aluminum block with a mass of 15.9g .

A)What minimum mass of H2SO4 (in g) would you need?

[***A=86.7g***]

B)What mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block?

how does this part work???

  • chemistry -

    If the entire mass of Aluminum is reacted, convert that to moles (15.9g).

    Then, according to the balanced equation, you will get 1.5 times that number of moles as moles of H2. Convert that number of moles of H2 to grams.

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