Three identical flasks contain three different gases at standard temperature and pressure. flask a contains flask b contains o3, and flask c contains n2. which flask contains the largest number of molecules? a) flask a b) flask b c) flask c d) all contain same number of molecules.

All the flasks contain same number of molecules.

Explanation:

STP conditions are called as standard temperature and pressure conditions.

At this condition, 1 mole of a gas occupies a volume of 22.4 L

Also,

The temperature at this condition is taken as 273.15 K  and the pressure at this condition is taken as 1 atm.

According to mole concept:

1 mole of a gas occupies number of molecules

We are given:

Three different flasks having three different gases at STP

So, all the flasks will have same number of molecules that is

Hence, all the flasks contain same number of molecules.

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