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Question

Four one litre flasks are separately filled with the gases, O2,F2,CH4 and CO2 under the same conditions. The ratio of number of molecules in these gases:

A
2:2:4:3
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B
1:1:1:1
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C
1:2:3:4
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D
2:2:3:4
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Solution

The correct option is B 1:1:1:1
According to Avogadro's law, two given samples of an ideal gas, of the same volume and at the same temperature and pressure, contain the same number of molecules.
So, all the flasks would contain same no. of molecules.
Ratio of no. of molecules of O2,F2,CH4 & CO2 is 1:1:1:1

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