moles Flashcards
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1
Q
what is a mole?
A
a unit of an amount of a substance
2
Q
how many particles in a mole?
A
a mole of any substance has the same amount of particles as there are carbon atoms in 12g of carbon-12. (6.02x10^23)
3
Q
what is relative formula mass?
A
the actual number of atoms of each element present in a molecule or compound
4
Q
A
