A compound X on analysis gave the following percentage composition. Carbon 85.72 percent ,Hydrogen 14.28 percent. If the molecular mass of the compound is 28, calculate it's molecular formula.

A compound X on analysis gave the following percentage composition.

1.	A compound X on analysis gave the following percentage composition. Carbon 85.72 percent ,Hydrogen 14.28 percent. If the molecular mass of the compound is 28, calculate it's molecular formula.
Answer» C2H4 ATOMIC MASS of CARBON is 12C2 =24Atomic mass of HYDROGEN =1H4=1×HH4=4