Answer:
Isomers have identical Molecular formulas; however, they have different Structural formulas.
Step-by-step explanation:
Hello,
In this case, it is widely known that isomers have identical molecular formulas and different structural formulas as shown for the compound having the following molecular formula:

In such a way, two feasible compounds could have the aforesaid molecular formula, which are dimethyl ether and ethanol respectively as shown below:

Best regards.