Moles Flashcards
1
Q
What is a mole used as?
A
A unit of measurement
2
Q
Who came up with the number for a mole?
A
Avogadro
3
Q
How many atoms are in a mole?
A
6.02 x 10^23
4
Q
What does a mole represent?
A
A specific number of atoms (6.02 x 10^23)
5
Q
How to find the mass of 1 mole of something?
A
Find the amu (atomic mass)
Ex: C = 12.01 u
1 mole C = 12.01g
6
Q
What is the molar mass unit?
A
g/mol
OR
g
_____
mol
7
Q
How do you find the molar mass of a molecule?
Ex: Cl2
A
- find the mass of chlorine on the periodic table
- multiply by 2
2(35.45g)
= 71.00g/mol
