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The formula is C6H8O7

citric-acid

Citric acid's (C6H8O7) 'proper' name is 3-carboxyl-3-hydroxypentanedioc acid. This tells us that there is a carboxylic group at each end of chain of five carbon atoms. It also tells us that on the third carbon atom there is a hydroxyl group and another carboxylic group.

I'm not sure for certain, but I'm pretty sure the structural formula for this is:

COOHCH2COH(COOH)CH2COOH

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15y ago

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