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Coordination Chemistry Ii Isomers And Coordination

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Cambridge International AS & A Level

Cambridge International AS & A Level

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5 CE 2021 97014221 [Turn over (ii) An impure sample of BaC 2 O 4, of mass 0.500 g, is added to 50.0 cm3 of 0.0200 mol dm–3 acidified –MnO 4 (aq), an excess. A redox reaction takes place and all the BaC 2 O 4 reacts. The resulting solution, –3containing unreacted acidifiedMnO 4 –, is titrated with 0.0500 mol dm Fe2+(aq). The 3end-point is reached when 2+30.40 cm of 0.0500 …