Find the difference in the number of atoms if container A and container B contains same mass of benzene (C6H6) and acetylene (C2H2) respectively.
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Solution
Let the mass be x g in container A & B.
Then, the number of atoms in container A=x78×NA×12 & in container B=x26×NA×4 Now, the difference is x78×NA×12−x26×NA×4 NA(12x−12x78)=0 Hence, the difference in the number of atoms is 0.