Question

What is the number of grams in 0.600 mole of `Cl_2`?

Answer 1

`"Mass"=2xx35.45*g*cancel(mol^-1)xx0.600*cancel(mol)~=42*g`

Explanation:

The molecular mass of chlorine gas is `2xx35.45*g*mol^-1`. Why is it `2xx`? What is the mass of an equivalent molar quantity of fluorine gas?