Friday 7 September 2012

PEKA 2 (TITRATION)


Topic :  Acids and Bases
                                                                             

Aim                           :To find the end point in the titration of hydrochloric acid and sodium hydroxide solution using an acid-base indicator

                                  
           
Materials                   :0.1 mol dm-3 hydrochloric acid, 0.1 mol dm-3 sodium hydroxide solution, phenolphthalein

Apparatus                :Burette, 25 cm3 pipette, pipette filler, retort stand and clamp, white tile, 250 cm3 conical flask

                                  

Procedure                 :                (Must draw the diagram and list out the procedure)

                                
Result                        :   
Titration set
Estimation
1
2
3
Final burette reading/ cm3





Initial burette reading/ cm3





Volume of hydrochloric acid needed/ cm3












 Discussion                :

Able to write the chemical equations for the reactions correctly    

Able to show the calculation

                                      Able to state a observation and inference  correctly
                                     
                                      Able to state precaution


Conclusion                :

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