Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 3.29 mol of m
agnesium and 3.29 mol of hydrochloric acid are reacted, how many moles of excess reactant are left over? a. 6.58 mol
b. 3.29 mol
c. 2.47 mol
d. 40.0 mol