Theempirical formulafor the compound H2C2O4 is D: C2O4H2. The empirical formula presents elements in their simplest whole number ratio. This formula is already simplified, so the empirical and molecular formulas are identical.The empirical formula is the simplest, most reduced ratio of elements in a compound. In this case, the given compound formula H2C2O4 already presents elements in their lowest whole number ratio. Therefore, the empirical formula for thecompoundH2C2O4 is D: C2O4H2.It's important to understand that the empirical formula does not always depict the actual number of atoms in a molecule of the compound - that's the job of themolecularformula. The empirical formula only gives the simplest ratio of the atoms. However, in this case, the given formula is already in its simplest form, so the empirical and molecular formula are the same. The correct option is d.Learn more aboutEmpirical Formulahere:brainly.com/question/32125056#SPJ11...

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