Question

the mass of 1.205*10^22 molecules of ammonia is

Answer 1

Explanation:

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Answer 2

Firstly, we will find moles of ammonia which is

Moles = $\frac{1.205 \times {10}^{22} }{6.023 \times {10}^{23} } = 0.02$ moles.

Now,

Mass of 0.02 moles ammonia = $0.02 \times 17$ = 0.34 grams

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