When nitrogen and hydrogen are combined at high pressures in the presence of a catalyst, the fertilizer ammonia can be produced according to the following reaction: N2 + 3H2    →   2NH3 If you completely react 6 moles of H2 gas (with N2 as excess), how many moles of NH3 can be produced?

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.