From 200 mg of CO(2),10^(21) molecules a...

From 200 mg of `CO_(2),10^(21)` molecules are removed. How many moles of `CO_(2)` are left ?

A

`2.88 xx 10^(-3)`

B

`1.44 xx 10^(-3)`

C

`3.68 xx 10^(-3)`

D

`5.42 xx 10^(-3)`

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The correct Answer is:

A

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