MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryMole _ Equivalent ConceptPrevious Year Questions

The weight of one molecule of a compound C₆₀H₁₂₂ is (BHU 2007)

A.1.3×10–20 g

B.5.01× 10–21 g

C.3.72×1012 g

D.1.4×10–21 g✓ Correct

Explanation

Given, The formula of a given chemical compound is 60 122 C H The molecular mass of the given compound = 60 12.0107 122 1.00784 720.642 122.95648 843.59848grams x x Avagadro number = 23 6.022 10 A N x Mass of one molecule of 60 122 C H = ( molecular mass of 60 122 C H / Avagadro number ) 23 23 21 843.59848 140.086097642 10 6.022 10 1.4 10 g x x x

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