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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Tonbon1221 Tonbon1221
wrote...
11 years ago
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?
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wrote...
#1
11 years ago
i believe its the same thing.....

molecular weight/mass = atomic weight/mass = molar mass/weight
wrote...
#2
11 years ago
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.
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