# Chemistry

I need help with naming two complex ions
1) [Fe(H2O)4C2O4]+
2)[Fe(C2O4)3]3-

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1. trioxalatoferrate(III)
I'll work on #1

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2. tetraaqooxalatoferrate(III)

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Ok this is what i got for the grams part now.... Total mass is 20.14 + 51.64 + 11.34 + 15.06 = 98.18 %H2O = (20.14/98.18)*100 = 20.51% %C2O4 = (51.64/98.18)*100 = 52.60% % Fe 3+ = (11.34/98.15) * 100= 11.55% % K + = (15.06/98.15)

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