calculate mass of
1
A. 1 sulphur atom. B. 10^-6 Hydrogen atom. C. 2 nitrogen atom.
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9
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6
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according to mole concept in one mole there is 6.022*10^23 moles are present. so mass of 1 molecule of nitogen gas is 28/(6.022*10^23) gram. solve it and u will get answer.
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