Mole ConceptHard
Question
A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 by weight. Therefore, the ratio of their number of molecules is :
Options
A.1 : 4
B.1 : 8
C.7 : 32
D.3 : 16
Solution
Number of molecules (N) ∞ number of moles (n)
or
or
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