Question

fimd the mass of 2 moles of nitrogen atoms.

Answer 1

Given:

2 moles of nitrogen

To find:

Mass of 2 moles of nitrogen = ?

Formula to be used:

Mass = Number of moles × Atomic weight of the substance

Calculation:

In the sum, number of moles = 2

As the given element is nitrogen, its atomic weight is 14.

Substituting the values in the formula, it gives

Mass of 2 moles of nitrogen atom = 2 × 14 = 28g

Conclusion:

Thus it can be inferred that the mass of 2 moles of nitrogen atoms is 28g.

Learn more about such concept

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Answer 2

Mass one mole is 14 nitrogen

So,

2×14 = 28