93.In an iodometric estimation the following reactions occur 2Cu2+ + 4 – InterviewSolution

1.	93.In an iodometric estimation the following reactions occur 2Cu2+ + 4I-➡Cu2I2 + I2 I2 + 2Na2S2O3 ➡2NaI+ Na2S4O6 0.15 mol of Cuso4 of 70% purity was added to excess of KI solution and liberated iodine required 120 ml of hypo. Calculate the molarity of hypo solution.
Answer» 93.In an iodometric estimation the following reactions occur 2Cu2+ + 4I-➡Cu2I2 + I2 I2 + 2Na2S2O3 ➡2NaI+ Na2S4O6 0.15 mol of Cuso4 of 70% purity was added to excess of KI solution and liberated iodine required 120 ml of hypo. Calculate the molarity of hypo solution.

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