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CBSE Class 11-science Answered

If x gram A contains Y atoms, then how many atoms are present in 2x gram of B.If atomic weight of A and B are 20 and 40 respectively.
Asked by Balbir | 04 Jul, 2018, 09:17: PM
answered-by-expert Expert Answer
Given:
 
Atomic weight of A = 20
 
Atomic weight of B = 40.
 
No. space of space moles space of space straight A space equals straight x over 20

No. space of space atoms space of space straight A space equals space straight x over 20 cross times space NA

No. space of space atoms space of space straight A space equals space straight y

No. space of space moles space of space straight B space equals space fraction numerator 2 straight x over denominator 40 end fraction space

No. space of space moles space of space straight B space equals space straight x over 20

No. space of space atoms space of space straight B space equals straight x over 20 cross times NA
Answered by Varsha | 08 Jul, 2018, 05:59: PM
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