The Avogadro Constant And The Mole Flashcards
1
Q
What is the definition of the Avogadro constant?
A
The avogadro constant is the number of atoms in 12g of carbon 12
2
Q
What is the numerical value of the avogadro constant?
A
6.022 x10 ^23
3
Q
What is a mole of a substance?
A
A mole is the amount of a substance that contains the same number of elemental particles as there are carbon atoms in carbon 12
4
Q
What is the relationship between relative atomic mass and the mole?
A
The relative atomic mass of any element in grams contains one mole of atoms
5
Q
How do you work out the number of moles in a substance?
A
Mass (g) / molar mass
6
Q
What is molar mass?
A
It is the mass of one mole of the substance, which is numerically the same as RFM
