…acid-to-base molar ratio) yields NaOOCCOONa, sodium oxalate. If desired, the half-neutralization can be done with one base and the rest with another, to produce a mixed salt, as, for example, KOOCCOONa—sodium potassium oxalate. All dicarboxylic acids can be neutralized or half-neutralized in a similar manner.
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