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Ammonium oxalate is difunctional and so the normaility is 0.2N.
(NH4)2C2O4 is the chemical formula ammonium oxalate.
oxalate
Formula of ammonium oxalate monohydrate: (NH4)2C2O4.H2O
soluble in cold water
Ammonium oxalate is difunctional and so the normaility is 0.2N.
Ammonium oxalate monohydrate is (NH4)2C2O4•H2O
(NH4)2C2O4 is the chemical formula ammonium oxalate.
oxalate
Formula of ammonium oxalate monohydrate: (NH4)2C2O4.H2O
Calcium carbonate is rather INsoluble, so there is no solution of it. I do not know why ammonium oxalate is added to a calcium carbonate solution. Calcium oxalate will then precipitate out of the solution. The ammonium and carbonate will create a weakly bond compound. Actually, more of the ammonium ion will be in solution as free ammonia and more of the carbonate ions will be in solution as free carbon dioxide. That is the nature of those two substances. So, you will have a solution that has a calcium oxalate precipitant on the bottom and is slowly giving off ammonia and carbon dioxide.
I'm in a college chemistry course, C117, and we used ammonium oxalate to test for the presence of Ca^2+.
Formula: (NH4)2C2O4
Formula: (NH4)2C2O4
soluble in cold water
Formula: (NH4)2C2O4.H2O
(NH4)2(C2O4).H2O