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For the coagulation of 100 mL of arsenio...

For the coagulation of `100 mL` of arsenious sulphite `sol,5 mL` of `1 M NaCl` is required. What is the flocculaton value of `NaCl`?

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The correct Answer is:
D
Total volume after addition of 5 ml of 1M NaCI solution `=105 ml`
Thus, `105xx`molarity of NaCI in colloidal solution `=5xx1`
Molarity of NaCI in colloidal solution `=(5)/(105)`
Concentration in millimole `=(5)/(105)xx1000=47.6`
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OP TANDON-THE COLLOIDAL STATE-Self Assessment
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