Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation

3H2+N2-2NH3
How many grams of are needed to produce 13.75g of NH3 ?
How many molecules (not moles) of are produced from 8.26×10−4g of H2 ?

3 answers

Your question is better but it still needs work. Howmany grams of ???? are needed to produce etc.
4.14 x 10^19
H2 is the limiting reagent
grams of NH3 is 102g