Question

What is the mass in grams of a single atom of chlorine ? (Atomic mass of chlorine = 35.5)

Answer 1

`6.022 xx 10^(23)` atoms of Cl= gram atomic mass of Cl = 35. 5 g
`therefore` mass of 1 atom of Cl = `(35.5 g)/(6.022 xx 10^(23)) = 5.9 xx 10^(-23) g`.