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1. Develop an expression describing the fraction of molecules of radius / in the surface layer of a colloid of radius R composed of

1. Develop an expression describing the fraction of molecules of radius / in the surface layer of a colloid of radius R composed of these molecules. Using this equation, determine the fraction of silver bromide (AgBr) surface molecules with a molar volume of 30 cm/mol in a silver bromide colloid of radius 1 cm and 10 nm.

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