Question

Assertion- At the same temperature and pressure, same volume of the gases contain same number of moles.
Reason- Same number of moles of the gases contain the same number of atoms.

Answer 1

Answer:

Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." ... For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.

Explanation: