What is the mass of nitrogen in 1000kg of urea, [ $C O (N H_{2})_{2}$ ]? ( Answer correct to the nearest Kg) [H = 1, C = 12, N = 14, O = 16]

460 kg

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464 kg

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466.67 kg

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470 kg

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Solution

The correct option is C
466.67 kg

Molecular weight of urea [ $C O (N H_{2})_{2}$ ] = [12 + 16 + 2(14 + 2 $\times$ 1)] = 60

Molecular weight of nitrogen = 28

$∴$ Mass of nitrogen in 1000 kg of urea = $\frac{28 \times 1000}{60}$ = 466.67 kg

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Similar questions

What is the mass of nitrogen in 1000 kg of urea [CO(NH₂)₂]?
(H = 1; C = 12; N = 14; O = 16)

(a) Calculate the mass of nitrogen supplied to the soil by 5 kg of urea $[C O (N H_{2})_{2}]$
$[O = 16 : N = 14; C = 12; H = 1]$
(b) Calculate the volume occupied by 320 g of sulphur dioxide at STP $[S = 32; O = 16]$

Urea is a very important nitrogenous fertilizer. Its formula is $C O N_{2} H_{4}$ Calculate the percentage of nitrogen in urea (C = 12, O = 16, N = 14 and H = 1).

Urea is a very important nitrogenous fertilizer. Its formula is $C O N_{2} H_{4}$ . Calculate the percentage of carbon in urea.

(C = 12, O = 16, N = 14 and H = 1)

Q. The mass of nitrogen in 1000 kg of urea

[C O (N H_{2})_{2}]

is :

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What is the mass of nitrogen in 1000kg of urea, [CO(NH2)2]? ( Answer correct to the nearest Kg) [H = 1, C = 12, N = 14, O = 16]

The correct option is C 466.67 kg Molecular weight of urea [CO(NH2)2] = [12 + 16 + 2(14 + 2 × 1)] = 60 Molecular weight of nitrogen = 28 ∴ Mass of nitrogen in 1000 kg of urea = 28×100060 = 466.67 kg

What is the mass of nitrogen in 1000kg of urea, [ $C O (N H_{2})_{2}$ ]? ( Answer correct to the nearest Kg) [H = 1, C = 12, N = 14, O = 16]

The correct option is C
466.67 kg

Molecular weight of urea [ $C O (N H_{2})_{2}$ ] = [12 + 16 + 2(14 + 2 $\times$ 1)] = 60

Molecular weight of nitrogen = 28

$∴$ Mass of nitrogen in 1000 kg of urea = $\frac{28 \times 1000}{60}$ = 466.67 kg