Amount of Substance Part 1

Question 1

What are the 3 ways in which moles can be calculated?

Answer 1

1. From Mass- Moles= Mass/RAM
2. From concentration - Moles= Conc x Vol
3. From Ga- Moles= Volume / Vm (24)

Question 2

What is meant by empirical formula?

Answer 2

The simplest whole number of ratio of atoms of each element present in a compound.