Ch9 The Mole

Question 1

Mole

Answer 1

One mole of a substance is the amount of that substance which contains 6.023x10^23 particles (ions, atoms, molecules)

Question 2

Avogrados number

Answer 2

Number of atoms of carbon in 12 g of the carbon 12 isotope

Question 3

Molar mass

Answer 3

Mass of one mole of a substance is

Question 4

Mr how to found

Answer 4

Sum of relative atomic masses of all the atoms in the molecule

Question 5

Relative molecular mass

Answer 5

Of a compound is the average mass of one molecule of that compound compared with one twelfth of the mass of one atom of the carbon-12 isotope