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

From `200 mg` of `CO_(2), 10^(21)` molecules are removed. How many grams and 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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A
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