# Which contains more molecules, 1.00 mol #H_2O_2#, 1.00 mol #C_2H_6#, or 1.00 mol #CO#?

##### 1 Answer

Dec 29, 2015

#### Explanation:

The number of molecules in a mole is constant and is equal to **Avogadro's number** :

Therefore, 1.00 mol of