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**Molecular formula:** Câ‚‚Hâ‚‚Oâ‚„
**Chemical formula (condensed):** (COOH)â‚‚
**Molar mass:** 90,03 g/mol
**Information:** Oxalic acid is the simplest dibasic carboxylic acid. It is a crystalline and toxic substance. It is chemically very stable and a non-reactive substance.
**Use:** It is used as a standard in analytical chemistry titration which is determined according to the exact concentration titration reagents.
**Appearance:** It is contained in fruits, vegetables and mostly in plants like sorrel and oxalis.