The Mole and Avogadro's Constant Flashcards
1
Q
What is the Avogadro constant?
A
6.022 x 10^23
2
Q
what do we call 6.022 x 10^23 atoms?
A
a mole of atoms
3
Q
what is special about the Avogadro number?
A
one mole of particles of a substance is equal to the Mr of that substance in grams.
4
Q
equation for moles using mass and Mr
A
5
Q
how many grams are there in a tonne?
A
1 ton = 1,000,000 g
6
Q
how many grams are there in a mg?
A
1 mg = 0.001 g
7
Q
A