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The density of gold is 19g//cm^3. If 1.9...

The density of gold is `19g//cm^3`. If `1.9xx10^-4`g of gold is dispersed in one litre of water to give a sol having spherical gold particles of radius 10 nm then the number of gold particles per `mm^3` of the sol will be:

A

`1.9xx10^(12)`

B

`6.3xx10^(14)`

C

`6.3xx10^(10)`

D

`2.4xx10^(6)`

Text Solution

Verified by Experts

The correct Answer is:
D
Properties of ionic solid
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