WAEC - Chemistry (1998 - No. 11)
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