"If 1.95 g of Mg(s) are mixed with 105 mL of 0.12M HCl(aq) at 25°C and P atm = 1.06 atm, what is the volume of hydrogen gas produced in liters if the hydrogen gas is collected over water? Mg(s) + 2 HCl(aq) → MgCl 2(aq) + H 2(g) ΔH rxn = -467 kJ/mol "

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.