300 mL nitrogen gas reacts with 751 mL hydrogen gas. both gases are at the same temperature and pressure and react to form ammonia gas NH3(g) with 100% yield. which is the excess reactant? hydrogen gas nitrogen gas what volume (in mL) of the excess reactant is left over when the reaction reaches completion?

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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.