6.9 cause argon is a proactive system that can be sick
Mass = moles x molar mass
so mass of 6 moles of h2 is: 6×1×2 = 12g
I'm not sure but I think it is A. image one has the most spread out particles like a gas, and b has closer together particles like a liquid or solid. since there are no choices that say A=gass and B=solid, so I am guessing it is answer A.
