Which of the statement about this equation is incorrect ?
3h2 + n2 -> 2nh3

a) 34 g reactant -> 34 g product
b) 3 moles h2 + 1 mole n2 -> 2 moles nh3
c) 3 grams h2 + 1 gram n2 -> 2 grams nh3
d) 3 molecules h2 + 1 moleculee n2 -> 2 molecules nh3