The percentage composition of carbon by mole in methane is:

What is percentage composition.

What is the percentage composition of urine ?

The percentage composition composition of carbon in urea, [CO(NH_(2))_(2)] is

The percentage composition of carbon in urea, [CO(NH_(2))_(2)] is

Oxidation number of carbon in methane is

The composition of carbon di oxide in air is ______

Determine the formula of organic compound if its molecule contains 12 atoms of carbon. The percentage composition of hydrogen and oxygen are 6.48 and 51.42 respectively.