Homework Help: Chemistry Stoichiometry

Posted by Brianna on Saturday, October 27, 2012 at 4:46am.

Sulfuric acid can dissolve aluminum metal according to the following reaction.
Suppose you wanted to dissolve an aluminum block with a mass of 25.7 .

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

Chemistry Stoichiometry - bobpursley, Saturday, October 27, 2012 at 6:31am
3H2SO4+ 2Al >> 3H2 + Al2(SO4)3

moles H2=3/2 moles Al=3/2 *massAl/atomicmassAl

grams H2=molesH2*2g/mole

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