Amount Of Substance And Moles

Question 1

Amount of substance

Answer 1

Used to count the number of particles in a substance, in moles

Question 2

Avogadro constant

Answer 2

6.02 x 10 ^23
No of particles in each mole of carbon 12
Directly linked to the mass of carbon 12, standard for the measurement of RAM

Question 3

Molar mass

Answer 3

Convenient way of linking moles with mass for any chemical substance
Mass in grams in each mole of substance
Mass per mole of substance, g mol-1

Question 4

Mole equation

Answer 4

Mass=moles x molar mass (RFM)