Q5 - Formulas and Masses
A) What is the mass % of each of the elements in magnesium oxide, MgO?
Mg = _____________ % O = _____________%
B) How many grams of magnesium and of oxygen are in 5.00 g of MgO?
Mg = _____________________ O = __________________________
C) How many moles of magnesium are in 5.00 g of MgO?