Question

in chemistry a mole is a unit of measure equal to 6.02x10^23 atoms of a substance. the mass of a single neon atom is about 3.35 X 10^-23 g. what is the mass of 2 moles of neon atoms?

Answer 1

2(6.02*10^23)(3.35*10^-23)

2*6.02*3.35

answer : 4.0334*10^1