Question on: WAEC Chemistry - 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

A
Calcium chloride solution
B
Concentrated hydrochloric acid
C
Ethanol
D
Ethanedioc acid
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Correct Option: E

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