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A copper plate of 20 cm xx 10 cm is to b...

A copper plate of `20 cm xx 10 cm` is to be plated with silver of 1 mm thickness. The number of silver atoms required for plating is (density of silver = 10.8 gram// cc)

A

`1.2 xx 10^24`

B

`2.4 xx 10^14`

C

`1.2 xx 10^13`

D

`2.4 xx 10^23`

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