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What are the chemical properties of citric acid?

Answer:
  • Citric acid: (1,2,3-tricarboxy-propan-2-ol) 'tricarboxylic hydroxy-propane acid', weak,
  • up to 8% in citric juices.
    (0.005 mol/L for oranges and grapefruits to 0.30 mol/L in lemons and limes)
    pH in lemons < 2
  • Chemical formula: C6H8O7
  • Molar mass 192.1 g/mol
  • pKa1=3.15
    pKa2=4.77
    pKa3=6.40
  • Melting point 153oC
First answer by ID3526891203. Last edit by JoppeDeQuint. Contributor trust: 170 [recommend contributor recommended]. Question popularity: 9 [recommend question].

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