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Find number of oxygen atoms present in 1...

Find number of oxygen atoms present in `100 mg` of `CaCO_3`. (Atomic mass of Ca = 40 u`, `C = 12 u`,` O = 16 u)

A

`6.02 xx 10^(23)`

B

`6.02 xx 10^(20)`

C

`1.806 xx 10^(21)`

D

`1.204 xx 10^(20)`

Text Solution

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The correct Answer is:
C
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