According to mole concept it says that a standard volume i.e 22.4 lite

1.	According to mole concept it says that a standard volume i.e 22.4 liters of gas contains 1 mole right? And one mole contains 6.023*1023 right sir so then how did they come to know this, means as if they counted each and every atom or molecule ? So please explain about this sir.
Answer» According to mole concept it says that a standard volume i.e 22.4 liters of gas contains 1 mole right? And one mole contains 6.023*10²³ right sir so then how did they come to know this, means as if they counted each and every atom or molecule ? So please explain about this sir.

According to mole concept it says that a standard volume i.e 22.4 liters of gas contains 1 mole right? And one mole contains 6.023*1023 right sir so then how did they come to know this, means as if they counted each and every atom or molecule ? So please explain about this sir.

Answer»

According to mole concept it says that a standard volume i.e 22.4 liters of gas contains 1 mole right?

And one mole contains 6.023*10²³ right sir so then how did they come to know this, means as if they counted each and every atom or molecule ?

So please explain about this sir.