Wednesday, May 18, 2011

Preparation of salts

There are 3 ways to prepare salt in the lab, and I will show you how to remember which are the techniques to use for the different salts.

1. Precipitation - this is only for preparation of insoluble salts e.g. lead (II) chloride, barium sulfate & lead (II) carbonate.

2. Titration - this is for the preparation of soluble salts, such as sodium, potassium & ammonium.

3. Acid + excess insoluble substance - usually for other soluble salts, less the ones listed in method 2.

I will go into details how this is done during my tuition classes.

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