Question

How many grams NO gas can be produced from 110mL of 4.00 M HNO3 and excess Cu?

3Cu(s) + 8HNO3(aq) – 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g)

Answer 1

Here is an example stoichiometry problem.

http://www.jiskha.com/science/chemistry/stoichiometry.html