Question

0.5 mole of N atoms calculate the mass

Answer 1

N atom means an N2 molecule
N =molecular mass =14
so N2 mass=28
0.5 mole means 28*0.5=14

Answer 2

The mass of 0.5 mole of N atom is calculated as 7g.

Given:

Number of mole of N atom = 0.5 mole

To find:

Mass of 0.5mole of N atom = ?

Formula to be used:

$Number of moles = \frac{Given mass}{Molecular mass}$

Calculation:

$Number of mole = \frac{Given mass}{Molecular mass}$

As the molecular mass and number of mole are given, when the formula is altered it gives as:

Mass of N atom = Number of mole × Molecular mass of nitrogen atom

Mass of N atom = 0.5 × 14

Mass of N atom = 7

Conclusion:

Thus the mass of 0.5 mole of N atoms is calculated as 7g.

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