Question

Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?

Answer 1

1- 5 grams of H2  

2- 5 liters of CH4  

3- 5 moles of O2  

4- 5x10^23 molecules of CO2 (g)  

Answer 2

At standard temperature and pressure STP some elements have the same number of atoms as 18 lof Ne (g)

At standard temperature and pressure the calculation shows that

>Five moles of oxygen gas has same atoms as 18 litres of neon gas

>five grams of hydrogen gas has the same number of atoms as 18 g of neon gas