Question

How many grams of each of the following elements must be taken to get 1 mole of the element?
A) Sodium B) Sulphur C) Copper

Answer 1

For $1$ mole of the element, weight taken should be equal to its atomic weight.

$\therefore$ for copper $=63.5gm$

sulphur $=32gm$

sodium $=23gm$