Consider Two Reactants,A and B

Multiple Choice

Consider two reactants,A and B.The molar mass of A is greater han the molar mass of B.You add equal masses of A and B together and let them react.Which of the following statements must be true?

A) Reactant A must be limiting.
B) Reactant B must be limiting.
C) Reactant A is the excess reactant.
D) None of the above choices must be true.