Oxaloacetic acid (C4H5O5, pKa1 = 2.56, pKa2 = 4.37), a diprotic acid, is part of the citric acid cycle.  What is the concentration of oxaloacetate (C4H3O52–) in a 0.5000 M solution of sodium oxaloacetate (Na2C4H3O5)?

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Oxaloacetic acid (C4H5O5, pKa1 = 2.56, pKa2 = 4.37), a diprotic acid, is part of the citric acid cycle.  What is the concentration of oxaloacetate (C4H3O52–) in a 0.5000 M solution of sodium oxaloacetate (Na2C4H3O5)?

The image shows the structural formula for malonic acid. Malonic acid is an organic compound with the chemical formula C3H4O4. In this structure:

- The molecule consists of a CH2 group (methane) flanked by two carboxylic acid groups (-COOH).
- The structural formula is represented as HOOC-CH2-COOH.
- Each carboxylic acid group contains a carbon atom double-bonded to an oxygen atom (C=O) and single-bonded to a hydroxyl group (OH).
- The central carbon (CH2) is bonded to each of the carboxyl groups, forming a three-carbon structure.

This diagram effectively illustrates the linear structure of malonic acid, highlighting its dicarboxylic nature, which is significant in various chemical reactions, particularly in the synthesis of other organic compounds.
Transcribed Image Text:The image shows the structural formula for malonic acid. Malonic acid is an organic compound with the chemical formula C3H4O4. In this structure: - The molecule consists of a CH2 group (methane) flanked by two carboxylic acid groups (-COOH). - The structural formula is represented as HOOC-CH2-COOH. - Each carboxylic acid group contains a carbon atom double-bonded to an oxygen atom (C=O) and single-bonded to a hydroxyl group (OH). - The central carbon (CH2) is bonded to each of the carboxyl groups, forming a three-carbon structure. This diagram effectively illustrates the linear structure of malonic acid, highlighting its dicarboxylic nature, which is significant in various chemical reactions, particularly in the synthesis of other organic compounds.
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