Rince the burette with acid (there may be water in there diluting the acid you're about to put in, lowering the concentration)
we use acid in the burette as the alkali can jam the tap
Let the acid drip through the tap, any air bubble could lead to inaccurate results
You results can be to 2 decimalplace and only a 0 or a 5
When calculating a mean, only use concordinate results.
moles calculation, moles =…