Which of the following samples will have the greatest volume at stp? a. 22 g neb. 22 g hec. 22 g o2d. 22 g cl2e. all of these samples would have the same volume at stp.

He

Explanation:

According to Avogadro's law, at constant pressure and temperature, the volume of the gas is directly proportional to the moles of the gas.

Thus,

Moles of :-

Mass of the gas = 22 g

Molar mass of Ne = 20.1797 g/mol

The formula for the calculation of moles is shown below:

Thus,

Moles of :-

Mass of the gas = 22 g

Molar mass of He = 4.002602 g/mol

Moles of :-

Mass of the gas = 22 g

Molar mass of = 31.998 g/mol

Moles of :-

Mass of the gas = 22 g

Molar mass of = 70.906 g/mol

Thus, more the number of moles, more the volume. Thus, He will have the greatest volume at STP.