The chemical formula H₂CO₃ represents only one specific compound, which is carbonic acid itself. While a formula can sometimes represent multiple isomers (different substances with the same molecular formula but different arrangements of atoms), in the case of H₂CO₃, there are no significant isomers; it specifically denotes carbonic acid. Therefore, there is one compound represented by the formula H₂CO₃.
the chemical formula for carbonic acid is H2CO3. How many compounds are represented by this formula?
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