Avogadro's law states that

a. 1 liter of any gas contains 6 02 × 10 ²¹ gas molecules

b. The volume of a gas is directly proportional to its temperature.

c. The gas constant equals 0 0821 L · atm/(moi · K) for all ideal gases.

d. The volume of a gas must always be a constant e equal volumes of all gases at the same pressure and temperature contain an equal number of moles.