Amount of Substance - The Mole Flashcards
1
Q
What is a mole?
A
The substance that contains the same number of atoms or particles as 12g of carbon -12
2
Q
What is the value of mole?
A
6.02 x 10^23
3
Q
What is the value of mole also known as?
A
Avogadro’s constant
4
Q
What is molar mass?
A
The mass of one mole of a substance
5
Q
What is molar mass the same as?
A
The relative atomic mass
The bigger number on the element (mass number)
6
Q
What is the equation in relation to moles?
A
Mass = number of moles x molar mass
7
Q
What are the units for mass?
A
Grams (g)
8
Q
What are the units for number of moles?
A
Mol
9
Q
What are the units for molar mass?
2
A
g mol -1
g/mol