Question

How many formula units do you have if you are holding 22 grams of MgO?

Answer 1

$\huge\bf\underline{\underline{\blue{Answer:-}}}$

Once you know the number of moles of CaO , you can determine the number of formula units by multiplying the number of moles by 6.022×1023 . You need to determine the molar mass of CaO , which is the sum of the atomic weights of each element on the periodic table in grams/mole, or g/mol.