5.72 Nitric acid is produced from nitric oxide, NO, which in turn is prepared from ammonia by the Ostwald process: 4NH3(g) + 502(g) - 4NO(g) + 6H20(g) What volume of oxygen at 35°C and 2.15 atm is needed to pro- duce 50.0 g of nitric oxide?

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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.