HARDMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMole conceptLaw of chemical combination, atomic & molecular mass, mole concept, calculations

If 224 ml of a triatomic gas has a mass of 1 g at 273 K and 1 atm pressure, then the mass of one atom is

A.[object Object]

B.[object Object]

C.[object Object]✓ Correct

D.[object Object]

Explanation

This question uses gaseous state & mole concept, atomic structure & atomic mass. Relate mass, moles and number of particles using the mole concept and basic stoichiometry; doing the algebra gives the value listed in option C.

Gaseous state & mole conceptAtomic structure & atomic mass

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