C5 - Titrations Flashcards
1
Q
What are the colour changes in the following indicators?
A
Phenolphthalein: pink to colorless
Litmus: red for acid blue for alkali
2
Q
What happens when an acid and an alkali are mixed?
A
A salt is formed and the solution is neutralized.
3
Q
Describe the method of a titration.
A
1) an alkali is put into a conical flask
2) an acid is added which begins the neutralization process
3) the point at which all the alkali has reacted with the acid is called the end point
4
Q
What is the formula of concentration?
A
Concentration = number of moles/volume in dm3
5
Q
What is the process of finding out the concentration from a titration?
A
1) how many moles of acid were used?
2) how many moles of alkali were used
3) link the acid with the alkali
