How many atoms of hydrogen are there in 36 g of NH4?

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Explanation:

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21.4 grams

Explanation:

Given data

The density (ρ) is equal to the quotient between the mass (m) and the volume (V).

ρ = m/V

We can use this expression to find the mass of the sample.

m = ρ × V

m = 0.789 g/mL × 27.1 mL

m = 21.4 g