A gaseous mixture contains oxygen and nitrogen in the ratio 1:4 by weight. Therefore, the ratio of their number of molecules is:

JEE Main Chemistry question

A gaseous mixture contains oxygen and nitrogen in the ratio by weight. Therefore, the ratio of their number of molecules is:

Answer: (C)

Let the masses of () and () be and respectively. The ratio of their moles (and hence number of molecules) is:

{n_{

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Question ID VK-134294