Moles Flashcards
(7 cards)
1
Q
What is the Avogadro Constant (number)?
A
6.02 × 10 to the power of 23
2
Q
What is the Avogadro Constant (definition)?
A
the number of carbon atoms in exactly 12g of carbon-12
3
Q
1 mole =
A
6.02 x 10 to the power of 23 particles
4
Q
How many atoms does a H2O molecule have?
A
3
5
Q
What is the equation for moles?
A
moles = mass/RAM
6
Q
Define ‘limiting reactant’.
A
The reactant that is all used up.
7
Q
Define ‘excess reactant’.
A
The reactant that is left over.
