Question

How much water molecules are there in 5 moles of water. (Solve using Avogadro's Number which is 6.022×10^23).

Answer 1

in 18 moles number of water molecules = 6.022×10^23

then in 1 mole number of water molecule= 6.022×10^23/18

then in 5 moles number of water molecules=6.022×10^23×5/18=1672.78×10^20 answer

hope it will help you