Evaluation - state of matter - Avogadro’s law

Question 1: What is the value of Avogadors Constant?





Question 2: Calculate the amount of hydrogen occupied in the vessel that holds 8 gm of Oxygen gas at S.T.P?





Question 3: The volume of one mole of gas at STP is -----------?





Question 4: At N.T.P., sample of equal volume of chlorine and oxygen is taken. Now ratio of number of molecules?