Julianafaithid Julianafaithid Science Answered 1. The number of molecules of A is equal to the number of molecules of B. 2.The molar mass of A id greater than the molar mass of B. 3.Both samples have the damr average kinetic energy. 4.The molecules of A have the same everage velocity as the molecules of B. 5.Thr molecules of A collide with the container walls more frequently than the molecules.