Question

A `7.11*g` mass of salt is `22.34%` sodium. What is the mass of sodium in this quantity?

Answer 1

`"Mass of sodium"` `=` `22.34%xx7.11*g`

Explanation:

We have been given the percentage of sodium metal by mass.........

`22.34%xx7.11*g=1.59*g`.

And of course `100*g` of salt contains `22.34*g` sodium.......