What volume of nitrogen at 215 degress celcius and 715 mmHg would be required to react with .100 moles of hydrogen to produce ammonia?
N2+3H2> 2NH3
1 answer

If the H2 is at the same T and P as the N2, then you need not correct for the P and T not being at STP.
100 mol H2 x (1 mol N2/3 mol H2) = 100 x 1/3 = ?