Required practical 1 - titration

Question 1

Step 1

Answer 1

Transfer approximately 100cm^3 volumetric solution with known concentration into beaker

Question 2

Step 2

Answer 2

Fill burette with the standard solution with known concentration

Question 3

Step 3

Answer 3

Pour approximately 100cm^3 of standard solution with unknown concentration into second beaker

Question 4

Step 4

Answer 4

Using a pipette and filler, transfer exactly 25cm^3 of solution into a 250cm^3 conical flask

Question 5

Step 5

Answer 5

Add two or three drops of phenolphthalein to the solution in the conical flask

Question 6

Step 6

Answer 6

Record the initial burette reading - from the bottom of the burette

Question 7

Step 7

Answer 7

Add solution from the burette into the conical flask dropwise until there is a permanent colour change - record the final burette reading

Question 8

Step 8

Answer 8

Repeat until you have concordant titres - within 0.1 of each other.