|
Title: What's the difference between molar mass and atomic mass? Post by: Tonbon1221 on Jan 6, 2013 How do you find the atomic mass from the molar mass? And if I'm calculating the most probable speed for aluminium using the equation vmp=sqrt(2kT/m), is m then supposed to be the molar mass or the atomic mass of aluminium?
Title: What's the difference between molar mass and atomic mass? Post by: buggingout16 on Jan 6, 2013 i believe its the same thing.....
molecular weight/mass = atomic weight/mass = molar mass/weight Title: What's the difference between molar mass and atomic mass? Post by: buffyoumofo on Jan 6, 2013 If you're counting moles of atoms, it's the same thing. If you're counting moles of something else (like a molecule), then it's not an "atomic" mass any longer, it's a molecular mass.
So what's your gas? Is it monatomic Al? If not, you need the mass of the particles. So it's the molar mass of the object. |