The empirical formula of an isomer of a C3H8O4 molecule is 1,3- propanediol.
What is an isomer?
Isomer is any of two or more compounds with the same molecular formula but with different structure.
In chemistry, two molecules or compounds can have the same molecular formula but different structure, these molecules are called isomers.
According to this question, the molecule with the empirical formula C3H8O4 is given. This molecule has an isomer with same molecular formula but different structure called 1,3- propanediol.
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