Planning

Question 1

How to prepare dilution

Answer 1

1. using a BURETTE, add ___ of FA1 into 250cm3 VOLUMETRIC FLASK;
2. make up the content of the flask with distilled H2O to 250 cm3 mark;
3. place the STOPPER on the flak and mix the content throughly by inverting the flask 3 times;
4. label as ___

Question 2

Steps to carry out titration?

Answer 2

1. use a 25.0 BURETTE, add 25.0 cm3 of ___ into 250cm3 CONICAL FLASK;
2. 2-3 drops of ___indicator___ into the solution in conical flask; __colour change__;
3. Fill the BURETTE with ____;
4. Titrate __FA1_ with ____ in the burette while swirling the conical flask continuously;
5. When near the end point, add the titrant drop wise; end point reach when…..
6. Repeat step 1-5 until 2 results are within +_ 0.1 cm3 of each other