When 66.4 g nitrogen and excess oxygen react, nitrogen dioxide is generated.  If the NO2 is collected at 635 K and 0.722 atm, calculate the volume will it occupy (in L).  ___N2 (g) + ___O2 (g) → ___NO2 (g)

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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.