EDTA is used as a complex agent in chemical analysis. Solutions of EDTA, usually containing the disodium
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EDTA is used as a complex agent in chemical analysis. Solutions of EDTA, usually containing the disodium salt Na2H2EDTA, are also used to treat heavy metal poisoning. The equilibrium constant for the following reaction is 6.7 × 10-1:
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Pb²+ (aq) + H₂EDTA² (aq) PbEDTA² (aq) + 2H+ (aq) 0₂C-CH₂ CH,CO, CH,CO2 EDTA = O₂C-CH₂ = N-CH₂-CH₂-N Ethylenediaminetetraacetate
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