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Calculate the...

Question

Calculate the mass of the following.

0.5 mole of $N_{2}$ gas (mass from mole of molecule).

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Solution

$1$ mole of $N_{2}$ has $2 \times 14 = 28$ grams
$0.5$ mole of $N_{2}$ has $\frac{28}{2} = 14$ grams
$1 ⟶ 28$
$1 / 2 ⟶ ? (x)$ $x = \frac{1}{2} (28) = 14$ grams

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