The percentage of nitrogen by mass in ammonium sulphate is closest to (atomic masses H = 1, N = 14, O = 16, S = 32)

21%

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24%

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36%

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16%

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Solution

The correct option is A
21%

Ammonium sulphate $(N H_{4})_{2} S O_{4}$ =

% of nitrogen = $\frac{28 \times 100}{36 + 96} = \frac{28 \times 100}{132} ≅ 21.21 %$

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Similar questions

The percentage of nitrogen by mass in ammonium sulphate is closest to (atomic masses H = 1, N = 14, O = 16, S = 32)

Q. Which of the following: calcium nitrate or ammonium sulphate has a higher % of nitrogen.

[Ca=40, O=16, S=32, N=14]

Q. If the relative molecular mass of ammonium nitrate is 80, the percentage of nitrogen and oxygen in ammonium nitrate is:

[N = 14, H = 1, O = 16]

Calculate the relative molecular masses of (Use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S = 32)
(a) potassium chlorate
(b) sodium acetate
(c) chloroform
(d) ammonium sulphate

Q. Ammonia reacts with sulphuric acid to give the fertilizer ammonium sulphate. Calculate the volume of ammonia [at STP] used to form

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of ammonium sulphate.

[N = 14, H = 1, S = 32, O = 16]

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The percentage of nitrogen by mass in ammonium sulphate is closest to (atomic masses H = 1, N = 14, O = 16, S = 32)

The correct option is A 21% Ammonium sulphate (NH4)2SO4 = % of nitrogen =28×10036+96=28×100132≅21.21%

The correct option is A
21%

Ammonium sulphate $(N H_{4})_{2} S O_{4}$ =

% of nitrogen = $\frac{28 \times 100}{36 + 96} = \frac{28 \times 100}{132} ≅ 21.21 %$