chem quiz #4 Flashcards
(9 cards)
1
Q
what is the definition of molar mass
A
the mass of one mole of a substance in grams
2
Q
what is the definition of a mole
A
a unit used to count small particles like atoms, molecules, or ions
3
Q
what is avogadros number
A
6.022x1023
4
Q
what is a particle
A
atoms, molecules, and ions
5
Q
mass to moles
A
mass/ molar mass
6
Q
moles to mass
A
moles x molar mass
7
Q
moles to particles
A
moles x 6.022x1023
8
Q
particles to moles
A
particles/ 6.022 x1023
9
Q
A
