Using the balances eqution and assuming all other reagents are in excess, how many hydrogen would be produced when 1.00 g of aluminum react?

2 answers

What balanced equation?
Balance the equation

acid + aluminum> H2 gas + aluminum salt.

Lets look at some examples

6HCl + 2Al>>3H2 + 2AlCl3
so for each two Aluminum moles, you get 3 moles of hydrogen gas.

3H2SO4 + 2Al>> Al2(SO4)3 + 3H2
Again, for each two aluminum moles reacted, one gets three hydrogen moles.

Try it for other acids. So find the moles of aluminum in 1 gram, multiply it by 3/2, that is the moles of H2 you will get.
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