Chemistry · Acids, Bases and Salts
Which of the following descriptions is correct regarding Plaster of Paris?
- 1Two formula units of CaSO4 share half a molecule of water.
- 2One formula unit of CaSO4 has two molecules of water.
- 3Two formula units of CaSO4 share one molecule of water.✓
- 4Two formula units of CaSO4 share two molecules of water.
Correct answer
Two formula units of CaSO4 share one molecule of water.
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