Answer:
State Avogadro law.
answer : Avogadro's law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules.
What is the value of Avogadro number?
answer : 6.02214076 × 1023
Avogadro's number, number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 1023.