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Sulfur dioxide is the anhydride of sulfurous acid, H2SO3; the acid minus this oxide is water.

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Which oxide of nitrogen is also called as mixed anhydride?

Nitrogen Dioxide-NO2 is also called as mixed anhydride.


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Is sulphur dioxide a basic oxide?

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What is the anhydride of Triflic acid?

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The balanced equation for the reaction between salicylic acid and acetic anhydride to form aspirin (acetylsalicylic acid) is: salicylic acid + acetic anhydride → aspirin + acetic acid.


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Your question has the names right in it. Maybe it's the chemical formulas you want. In that case, salicylic acid is C7H6O3 and acetic anhydride is C4H6O3.