8.2 The Mole Flashcards
1
Q
gross
A
a group of 144 objects
2
Q
Avogadro’s number
A
The number of objects in a mole: 6.022 x 10^23
3
Q
molar mass
A
The mass in grams of one mole of a substance.
4
Q
mole
A
an Avogadro’s number of objects: 1.00 mole of C-12 atoms has a mass of 12.0 grams and contains 6.022 x 10^23 atoms
