MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryMole _ Equivalent ConceptAtomic and Molecular Masses
A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 by weight. Therefore, the ratio of their number of molecules is
A.1 : 4
B.1 : 8
C.7 : 32✓ Correct
D.3 : 16
Explanation
2 2 1 4 O N w w Ratio of molecules will be same as ratio 2 2 2 2 2 2 1 28 7 4 32 32 O O N N N O n w M n w M >> x x
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