Calculate the weight of 22.4 litres of nitrogen at N. T. P., in grams.
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Nitrogen gas is composed of 2 atoms of nitrogen. The atomic weight of nitrogen is 14, so for nitrogen gas, 28 gm/mole. One mole of any ideal gas at STP occupies 22.4 L. Thus, 22.4 L of nitrogen gas weighs 28 gm.
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