What is the molar mass of magnesium hydroxide, Mg(OH) 2, a common antacid?
(A) 58 g/mol
(B) 56 g/mol
(C) 42 g/mol
(D) 41 g/mol
By checking out the atomic masses of each atom in the molecular formula and multiplying them by the number of that specific atom present in the molecule, we can get the molar mass of the compound