## Question

###### Is used to titrate a sample containing an Potassium dichromate The sample is dissolved in unknown percentage of iron: of the iron to Fez* ions. The solution HzPos/HzSO mixture to reduce all 0.01500 M K,CrzOz producing Fe:t and Cre* ions in is then titrated with

is used to titrate a sample containing an Potassium dichromate The sample is dissolved in unknown percentage of iron: of the iron to Fez* ions. The solution HzPos/HzSO mixture to reduce all 0.01500 M K,CrzOz producing Fe:t and Cre* ions in is then titrated with

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