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NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY
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If average molecular wt. of air is 29 , then assuming and gases are there which options are correct regarding composition of air:
(i) by mass of
(ii) by moles
(iii) by mass of
(i) by mass of
(ii) by moles
(iii) by mass of
View answer and explanation
Correct option: C
both (ii) and (iii) are correct
Option C is correct because the mole percentage of N2 is approximately 75%, and the mass percentage is approximately 72.41%.
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