Question

Calculate the no of molecules in 1 kg of sodium chloride

Answer 1

molar mass = 23+35.5= 58.5 , no. of moles= mass/molar mass = 0.001g/58.5=1.709 then no. of molecules =6.022×10^23×1.709=10.291598×10^23

Answer 2

Answer:

answer is given is right