2. The working solution of K2Cr2O7 was prepared by dissolving a sample of K2Cr2O7 weighing 0.5000 g in a 100 ml volumetric flask. Calculate: a) Т(K2Cr2O7), b) Т(K2Cr2O7/I2), c) С(1/6 K2Cr2O7)
Answer: a) 0.005000 g/ml, b) 0.01254 g/ml, c) 0.1020 mol/l
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