Question

How many moles are in 0.208g of Mg?

Answer 1

`8.55*10^-3` `"moles"`

Explanation:

The molar mass of `"Mg"` is `"24.305 g/mol"`, so

`"0.208 g Mg" /("24.305 g/mol") = 8.55*10^-3` `"moles"`