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移取25.00ml含I20.125g的KI溶液,用25.00mlCCl4萃取,平衡后测得水相中I2的量为5.00×10-3g,则萃取两次的萃取率是()

  • A、99.8%
  • B、99.0%
  • C、98.6%
  • D、98.0%

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更多 “移取25.00ml含I20.125g的KI溶液,用25.00mlCCl4萃取,平衡后测得水相中I2的量为5.00×10-3g,则萃取两次的萃取率是()A、99.8%B、99.0%C、98.6%D、98.0%” 相关考题
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