A gas mixture is composed of 2.0 moles H2 and I mole N2. Calculate (a) the average molar mass of the gas mixture, and (b) the density of the gas mixture at 273.15 K and 1 atm. [ Answer: 19.42; 0.866]

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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.