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Wednesday, 7 May 2014

How To prepare 1M and 0.1M NaOH

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PREPARATION 1M NaOH and 0.1M NaOH

 

To prepare 1M and 0.1M NaOH
NaOH is one of the most useful base in the laboratory
 

APPARATUS: 500ml Beaker, stirrer, 1000ml volumetric flask, cold water bath

REAGENT: NaOH pellet, distilled water.

PROCEDURE:

1.      Weigh 40g (for 1M) and 4g (for 0.1M) of NaOH pellet into a 500ml beaker,

2.      Add 200ml distilled water and stir in a cold water bath till it is completely dissolved.

3.      Transfer into 1000ml volumetric flask, make up to the mark with distilled water and shake

NB: If the water level fall after making up, add water to the mark again until it stop

falling below the mark.

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