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 -
E.
Aqueous ammonia