The coagulation of 100 ml gold sol is completely prevented by adding 0 – InterviewSolution

1.	The coagulation of 100 ml gold sol is completely prevented by adding 0.25 g of starch to it before adding 10 ml of 10% NaCl solution. Calculate the gold number of starch.
Answer» SOLUTION :GOLD no is EXPRESSED in m.GR = 0.005 gr = 5 m.gr

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