Which of the following can be added to dissolve the precipitate formed in the reaction…

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Chemistry WAEC 1998

Which of the following can be added to dissolve the precipitate formed in the reaction represented by the following equation? CaCl2(aq) + H2C2O 4(s) ⇌ CaC 2O2

  • Calcium chloride solution
  • Concentrated hydrochloric acid
  • Ethanol
  • Ethanedioc acid
  • Aqueous ammonia checkmark

The correct answer is: E

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