5.01 Stoichiometry Part 1

Avogadro’s number

For the IMAT you must remember Avogadro’s number. Remember that this number is the value of one mole. 

1 mole = 6.022 x 1023 = Avogadro’s number

Molar Mass, Moles, Mass

M: molar mass (g/mol)

m: mass (g)

n: moles (mol)

Remember this formula, but ensure you understand the chemistry behind it.


c: concentration

n: moles

V: volume

This tells us the molar concentration of a solution. Remember that concentrations can be given in other ways, such as mass per volume. The above formula is however the most common for the IMAT


c1V1 = c2V2

If ever you see a ‘before and after’ case of a solutions volume and concentration, then this formula is likely what you need to use.


Get Access Today

New content coming soon! Hurry and get access before prices rise!
You get the full IMAT Preparation Course for a discounted rate for a limited time!