1.

For the coagulation of 20 ml of gold sol, 20 mL of M/20 NaCl is required. The flocculation value of NaCl is

Answer»

ong>ANSWER:

EXPLANATION:

Answer:

50

Explanation:

first calulate the milimolesof NaCl = 1/20 × 20 = 1 milimole

now 1 milimoles is required for cougualtion of 20 ml therfore for one LITTER 50 milimoles are required.

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