Question

What is the mass in milligrams of a `4.3*mol` quantity of sodium metal?

Answer 1

Well one mole of sodium metal has a mass of `22.99*g`, so.....

Explanation:

So, `4.30*mol` has a mass of:

`4.30*cancel(mol)xx22.99*cancel(g)*cancel(mol^-1)xx10^3*mg*cancel(g^-1)=??mg`.