106. Solving a chemistry problem
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106. Solving a chemistry problem
3. Calculate the mass concentration (g/ml) of FeSO4*7H2O if amperometric titration of 50.00 ml of this solution with 0.1000 M (1/6 K2Cr2O7) with potassium dichromate solution yielded the following data:
V (K2Cr2O7), ml 0 2 4 6 7 8
I, μA 93 60 25 12 12 12
Mm. (FeSO4*7H2O) = 298.0 g/mol.
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