Calculations for Edexcel 360 Chemistry C3 Topic 3 and 4

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Calculations and main tips for revision GCSE C3 Edexcel 360:-

  • To find Moles > Mass/Mr = Moles
  • To find total mass of reactants (products) > Moles (of the given mass) x Mr (of the mass you're trying to find) = Mass (or reactant/product)
  • To find concentration in mol dm^-3 > Moles/Volume (dm^3) = Concentration
  • To find concentration in g dm^-3 > Mass/Volume (dm^3) = Concentration
  • Converting concentration from mol dm^-3 to g dm^-3 (or vice versa) >g dm^-3 = mol dm^-3 x Mr
  • To get the volume of a gas (remember 1 mol of any gas occupies 24

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joe HEMMINGS

THANK YOU VERY MUCH SO HELPFUL!

Aziza Mohamed

joe HEMMINGS wrote:

 happy to help! :)

fatima

thankyouuuuuuuuuuuuuuuuuuuuuu <3

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