A 5.0 g sample of a natural gas consisting of

CHEMISTRY · Subjective · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

\text{CH}_4

\text{C}_2\text{H}_4

was burnt in excess of oxygen yielding 14.5 g

\text{CO}_2

and some

\text{H}_2\text{O}

as products. What is mass percentage of

\text{CH}_4

and

\text{C}_2\text{H}_4

in mixture?