An excess of ki solution, What volume of 0.85 mol/L Na2S2O3

An excess of ki solution

Reference no: EM13526465

A 30 mL sample of 0.35 mol/L bleach solution, NaOCl, is reacted with an excess of KI solution according to the following reaction equation:

2H+ + OCl- + 2I- --> Cl- + H2O + I2

The I2 produced is subsequently reacted according to the equation

2 S2O32- + I2 --> S4O62- + 2I-

What volume of 0.85 mol/L Na2S2O3 is required to titrate the I2?

Reference no: EM13526465

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