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CBSE Class 11-science Answered

`. 220 mg of carbon dioxide in moles is equal to(A) 5 (B) 0.005 (C) 5000 (D) 10`
Asked by gpgopal72 | 25 Dec, 2021, 12:51: PM
answered-by-expert Expert Answer
Weight space of space CO subscript 2 space equals space 220 space mg space equals space 220 space cross times 10 to the power of negative 3 end exponent space straight g no. space of space moles space equals space fraction numerator weight space of space given space sample over denominator molecular space weight end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space space fraction numerator 220 cross times 10 to the power of negative 3 end exponent over denominator 44 end fraction space equals space 5 cross times 10 to the power of negative 3 end exponent equals space 0.005 space moles
Answered by Ramandeep | 27 Dec, 2021, 06:37: PM

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