Nitrogen gas and hydrogen gas react to produce ammonia according to the following equation.

N2 + 3H2 → 2NH3

Which ratio of components is correct?

A For every 2 moles of nitrogen gas, the reaction requires 3 moles of hydrogen gas.
B For every 3 moles of hydrogen gas, the reaction produces 2 moles of ammonia.
C For every mole of hydrogen gas, the reaction produces 2 moles of ammonia.
D For every mole of nitrogen gas, the reaction produces 1 mole of ammonia.