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The mole
- The mole
- Formula Mass
- 1. Work out the chemical formula
- eg. 2KO
- eg. 2KO
- 2. Add all the RAM's together
- eg. 2 x Potassium = 39 x 2
- 2 x Oxygen = 2 x 16
- > 38 + 32 = 70
- Found in the data
boooklet
- eg. 2 x Potassium = 39 x 2
- 3. Finish the sum and the
formula mass will be the
total number
- 1. Work out the chemical formula
- To work out moles/mass use the triangle
and calculate what you don't know by
using what you do know
- Formula Mass
- The mole when used
to calculate
concentration
- This triangle can be used in the
same way as the other one but
they can also be used together
to calculate more complicated
calculations. See jotters for
practise or the National 5
Chemistry textbook
- This triangle can be used in the
same way as the other one but
they can also be used together
to calculate more complicated
calculations. See jotters for
practise or the National 5
Chemistry textbook
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