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Xephryous · Answer 1 · 2017-02-19T00:16:48+0000

Because the oxalate ion (C2O4-2) is common in both metals. If in one of the metals the anion was different, we could have expected a precipitate.

Vivienne Fosh · Answer 2 · 2017-02-22T22:19:10+0000

Why doesn't NiC2O4 precipitate with CaC2O4?

Answer: First you have to understand that precipitation is when a solid is created from a solution. In this case the reason that NiC2O4 doesn’t precipitate with CaC2O4 is that they both have (C2O4) in common.

I hope it helps, Regards.

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