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

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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