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Calculate the mass of the following 0....

Calculate the mass of the following
0.5 mole of `N_2` gas

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0.5 mole of `N_2` gas:
Mass of one mole of `N_2` gas =28 g (`because` Molecular wt. of `N_2`=28)
Mass of 0.5 mole of `N_2` gas =28 `times `0.5 =14 g
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