Write the formula of oxides to which these acids correspond: HMnO₄, H₂CO₃, H₂SO₄

Acid HMnO4 corresponds to acidic manganese (VII) oxide: Mn2O7 + H2O = 2HMnO4.
Acid H2CO3 corresponds to acidic carbon monoxide (IV): CO2 + H2O = H2CO3.
Acid H2SO4 corresponds to acidic sulfur oxide (VI): SO3 + H2O = H2SO4.



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