Chemistry Additional Science GCSE- Topic 3 Equations

Here is a list of all the useful equations you need to know for the exam:

Calculating Moles
Number of moles=    Mass in g
                                 Rmm
This is to find the number of moles in a given mass

Calculating Volumes


Avogadros law = one mole of any gas occupies 24 dm3

Volume of gas (inn dm3) = Mass of gas
                                          Rmm of gas   X 24

Formula triangle =  Volume
                             Moles x 24

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