Precipitates
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Salts and their solubility in water.
Each acid has its own family of salts.
- Sulphuric acid produces sulphates
- Nitric acid produces nitrates
- Hydrochloric acid produces chlorides
Salts are very often water soluble, if you stir them in water they dissolve and go into solution. Flick through the presentation to slide 4 and use the solubility rules to do the homework exercise. You can watch a precipitation reaction after slide 5.
Homework:
Put the date in your book. Copy in the list and predict whether each salt is soluble in water or insoluble. The first one is done for you
Salt Soluble/Insoluble
Sodium chloride Soluble
Calcium nitrate
Silver chloride
Lead sulphate
calcium nitrate
magnesium chloride
magnesium hydroxide
aluminium sulphate
silver sulphate
lead chloride
calcium carbonate
sodium carbonate
aluminium carbonate