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Chemistry Surface Chemistry General Subjective Type
Published on: August 14, 2026

0.02 g of gelatin is required to protect 10 mL of gold sol from 10% NaCl, then find the gold number for gelatin. Report your answer by multiplying by 100

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Sol. Gold number is minimum amount of protective colloid which can protect 10 mL standard gold sol from coagulation when 1 mL of 10% NaCl is added.

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