Chemistry, asked by sumit32066, 6 months ago

Calculate the mass percentage of different constituent in urea (NH2)2CO)

Answers

Answered by Anonymous

4

Answer:

% of element=

Molar mass of element

Mass of element

×100%

The molar mass of Urea [CO(NH

2

)

2

]=60.00gmol

−1

∴ % of nitrogen=

60.00

2×14.01

×100 %=46 %

% of oxygen=

60.00

1×16

=26.6 %

% of hydrogen=

60.00

4×1

=6.7 %

% of carbon=

60.00

1×12

=20 %

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