MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryMole _ Equivalent ConceptPrevious Year Questions

Mass of 0.1 mole of methane is (KCET 2008)

A.1 g

B.16 g

C.1.6 g✓ Correct

D.0.1 g

Explanation

Molecular mass of a compound is defined as the mass of 1-mole molecules or Avogadro number of molecules of that compound. Molecular mass of methane ( 4 CH ) = 16 gram Moles of methane Mass of methane 1 mole 16 grams 0.1 mole X Solve for x, we get 16 0.1 1.6 1 x grams x Therefore, the mass of 0.1 moles of methane is 1.6 grams.

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