Concentration of Solutions
3 important questions on Concentration of Solutions
How is the mass of a solute and the volume of a solution related to the concentration
A more concentrated solution has more solute in the same volume of solution than a less concentrated solution
Titration calculation methods
Write out a balanced equation for the neutralisation reaction
determine the mole ratio between acid and alkali using the balanced equation
Write in all the values you know for the N, C and V values
Use the mole ratio to find the value for N of the unknown solution
Use the triangle to complete the calculation
determine the mole ratio between acid and alkali using the balanced equation
Write in all the values you know for the N, C and V values
Use the mole ratio to find the value for N of the unknown solution
Use the triangle to complete the calculation
Carrying out a titration method
Use pipette and pipette filler to add 25cm3 of unknown concentration to a conical flask and add indicator and place on white tile.
Fill the burette with the known concentration and slowly add to conical flask swirling to mix.
Stop adding once changed and note volume used.
Fill the burette with the known concentration and slowly add to conical flask swirling to mix.
Stop adding once changed and note volume used.
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