How many moles of MgI_2 will you have if you have 345.0 g of it?

1 Answer
Jul 4, 2016

A bit over 1 mol.

Explanation:

"Number of moles" = "Mass"/"Molar Mass"

= (345.0*g)/(278.11*g*mol^-1) = ??mol.

How may moles of iodine does this represent? Why?