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Atomic Mass and Atomic Mass Unit

Molar mass of...

Question

Molar mass of nitrogen is 14u .What will be the mass of one atom of nitrogen in grams.?

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Solution

Mass of 1 mole of N = 14 u
1 mole contains 6.023 x $10^{23}$ atoms
Hence mass of 1 atom = 14/ 6.023 x $10^{23}$ = 2.32 x $10^{- 23}$ u

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