amouniium errors and evaluation

Errors-

Ø Could of used to much ammonia

Ø Could of used to much indicator

Ø Could of used the wrong pipette

Ø Could of used the wrong sulphuric acid

Ø Could of spilled the chemicals

Ø Could of used the wrong acids

Ø Could of used the wrong amount of solutions

Ø Could of used the wrong indicator



Evaluation –

Ø I should make sure I use the right amount of indicator

Ø I should make sure I use the right chemicals

Ø I will make sure I don’t spill the chemicals

Ø I should make sure I use the same chemicals all the time

Ø I should make sure I use the same sulphuric acid

Ø I should use the same size pipette