Substance A contains 85% carbon and 15% hydrogen.Substance B contains 85 % carbon and 15% hydrogen.A and B are the same substance.

Question

Quizplus · Accepted Answer

Since both substances have the same percent composition of carbon and hydrogen, it is likely that they are the same substance. The percent composition of a compound is a unique characteristic of that compound, so if two substances have the same percent composition, they are likely the same substance.

Substance a Contains 85% Carbon and 15% Hydrogen