Question

4. Calculate the mass of 0.5 mole of Nitrogen gas.

Answer 1

Answer:

1 mole of N2 = Gram molecular mass of N2

Or 1 mole of N2 = 28 gm.

∴ 0.5 mole of N2 gas = 0.5 × 28.

= 14 gm of N2

Explanation:

Answer 2

Answer:

Explanation:

Since mol=mass/Molecular mass

So mass= mol×Molecular mass

Mass=0.5×28

=14.0gm. Ans.

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