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The density of gold is 19 g/cm3. If 1.9 x 104 g of goldis dispersed in one litre of water to give a sol havingspherical gold particles of radius 10 nm, then the numberof gold particles per mm3 of the sol will be

Answer» The density of gold is 19 g/cm3. If 1.9 x 104 g of goldis dispersed in one litre of water to give a sol havingspherical gold particles of radius 10 nm, then the numberof gold particles per mm3 of the sol will be


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