Question

The percentage of carbon by mass in urea $(N{H}_{2}CON{H}_2)$ is

• A. 20%
• B. 40%
• C. 46.6%
• D. 59.1%

Answer 1

Answer: (A)

Urea $(N{H}_{2}CON{H}_2)$
$\%C=\frac{12}{60}\times 100=20\%$