In a coagulation experiment, 5mL of As(...

In a coagulation experiment, `5mL` of `As_(2)S_(3)` is mixed with distilled water and `0.1M` solution of an electrolyte `AB` so that the total volume is `10mL` . It was found that all solutions sontianing more than `4.6mL` . Of `AB` coagulate within `5` min. What is the flocculation value of `AB` for `As_(2)S_(3)` solution?

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The correct Answer is:

A minimum of 4.6 ml of AB is required to coagulate the sol . The moles of AB in the sol is
This mens that a minimum of 0.046 moles or `0.046xx1000=46` millimoles are required for coagulating 1 litre of sol .
Flocculation value of AB for `As_(2)S_(3)` sol = 46

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