Q.

Number of molecules in 100 ml of each of O2, NH3 and CO2 at STP is

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a

In the order CO2

b

In the order NH3

c

NH3=CO2

d

The same

answer is D.

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Detailed Solution

According to Avogadro's hypothesis, equal volumes of all gases under similar conditions of temperature and pressure contain equal no. of molecules.
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Number of molecules in 100 ml of each of O2, NH3 and CO2 at STP is