Titration questions

okay so I have a few questions on titration procedure and hopefully someone can help 😛

1) how does a burette contribute to the precision of the titre value?

2) if you add water from a wash bottle to the conical flask near to the end of the titration what will happen?

3) how do you calculate percentage error?

4)what effect does leaving a funnel in burette have on titration?

5) what effect does an air bubble in the sprout of the burette have on the titration?

I'd really appreciate if anyone could help me with any of these :biggrin:

thank you so much!!

Is titre a equipment?

Reply 3

your mongolian

because this whole is my question

A student completed an acid–base titration. They recorded a mean titre of 22.50 cm3 on using 25 cm3 of sodium hydroxide in the conical flask.

The uncertainty associated with reading a grade B pipette is 0.06 cm3.

The uncertainty associated with reading a burette is 0.05 cm3. Two readings are taken during the course of recording a titre and so the maximum possible uncertainty in a burette reading is 0.1 cm3.

aCalculate the percentage error of the pipette.(1 mark)

bCalculate the percentage error of the burette. (1 mark)

cCalculate the overall percentage error of the equipment. (1 mark)