Chemistry, asked by Kaushik147, 10 months ago

In 5kg of urea(NH2-CO-NH2) contains how many gram of nitrogen

Answers

Answered by pagalsa26

Answer:

2.3kg

Explanation:

The formula for urea is (NH2)2CO. The molar mass for urea is 14*2+1*4+12+16= 60 g/mole. In this 60 g of urea, nitrogen has a mas of 28 g. So by simple proportion in 5 kg of urea, nitrogen has a mass = 5 kg*28 g/60 g = 2.3 kg.

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