A flask contains `2.0xx10^(13)` molecules of `CO_(2)`. To this `1.5xx10^(14)` molecules of `CO_(2)` are added. The number of molecules in the flask no
A flask contains `2.0xx10^(13)` molecules of `CO_(2)`. To this `1.5xx10^(14)` molecules of `CO_(2)` are added.
The number of molecules in the flask now is
A. `3.5xx10^(13)`
B. `3.5xx10^(14)`
C. `1.7xx10^(14)`
D. None of these
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Correct Answer - C
Total number of `CO_(2)` molecules
`=2.0xx10^(13)+1.5xx10^(14)`
`=2.0xx10^(13)+15xx10^(13)`
`=17.0xx10^(13)=1.7xx10^(14)`
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