Question

find the mass of 2 moles of nitrogen atom​

Answer 1

Atomic mass of nitrogen is 14 u. Answer: In 1mole Nitrogen or 28 u nitrogen there are 6.022 x 1023 atoms. So, in 14 u, there will be 6.022 x 1023 / 2 atoms.

you can do this by directly putting forward the formula for moles.

Answer 2

molecular mass of nitrogen = 14

no of moles given = 2

so the mass of 2 moles of nitrogen atom is

= 2×14

=28

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