1 mol H2O......2 g H
12 moli H2O.......x g H x = 24 g H
36,5 g HCl..........1 g H
a g HCl.............24 g H a = 876 g HCl = 24 moli
17 g NH3..........3 g H
b g NH3............24 g H b = 136 g NH3 = 8 moli
16 g CH4...........4 g H
c g CH4............24 g H c = 96 g CH4 = 6 moli