Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can differ between the two gases?(1 point)

Responses

the number of moles of each gas
the number of moles of each gas

the mass of each gas
the mass of each gas

the gas constant of each gas
the gas constant of each gas

the molar volume of each gas

the number of moles of each gas

The correct answer is: the mass of each gas.