if 1 mole of nitrogen molecules weighs 28 g , calculate the mass of one molecule of nitrogen in grams........in gram
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Molar mass of a substance is a mass of 6.023×10^23 molecules . Molar mass of nitrogen molecule (n2)is 2×14=28.thus,6.023×10^23moleculesweigh =28g
1mole of nitrogen weighs =28/6.023×10^23
=4.65×10^-23g
1mole of nitrogen weighs =28/6.023×10^23
=4.65×10^-23g
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