CHEM105: Expt. #9 Pre-lab Q3 n solution, potassium oxalate completely dissociate

Question

CHEM105:

Expt. #9 Pre-lab Q3 n solution, potassium oxalate completely dissociates into potassium ions and oxalate ions. K2C204 (s) 2 K+ (aq) c2042- aq When a solution with an excess of oxlate ions is added to the solid iron (ll) oxalate dihydrate, each formula unit of iron oxalate reacts with another oxalate ion to form a soluble complex ion with the formula Fe(C204)2 Part A The formation of a complex ion Write a balanced net ionic equation for the reaction of iron oxalate dihydrate with oxalate ions to form the complex ion Include phases in your equation.

Explanation / Answer

C2O4 2- (aq) + FeC2O4.2H2O (s) ---------> Fe(C2O4)2 2- (aq) + 2 H2O (g)

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