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0.35g of starch is added to 700 ml of th...

0.35g of starch is added to 700 ml of the standard gold solution before adding 1 ml of 10% NaCl solution just prevented it from coagulation. Calculate the gold number of a solution.

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The correct Answer is:
5
700 ml of gold solution requires 350 mg of starch 10 ml of gold solution requires starch `= (350 xx 10)/(700) = 5`
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