Asked by mohammad
Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric acid. (AM of Al= 26.9g/mol) 2Al + 6HCl ----> Al2Cl6 + 3H2
Answers
Answered by
oobleck
so, how many moles of Al in 25g?
The equation says you get 3/2 that many moles of H2.
that is how many grams of H2?
The equation says you get 3/2 that many moles of H2.
that is how many grams of H2?
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