Question

Calculate :

The weight of 1022 atoms of carbon   [C = 12, Avogadro’s No. = `6xx10^23 ]`

Answer 1

`6xx10^23 "atoms of carbon weigh 12 gm"`

∴ 10²² atoms will weigh =` (12 xx 10^22)/(6xx10^23) =2xx10^-1 =0.2  "gm"`