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OpenStudy (anonymous):
2Al+6HBr -> 2AlBr3+3H2 When 3.22 moles of Al reacts with 4.96 moles of HBr, how many moles of H2 are formed?
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OpenStudy (jfraser):
Becuase you're given amounts of both starting materials, this is a limiting reactant problem. You need to find the ratio of Al/HBr you have to find out which one of the reactants will run out first.
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