water of crystallisation

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4 Terms

1
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Water of crystallisation is…

when ionic compounds form they often have molecules of water in them

2
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Hydrated means it…

contains water

3
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Anhydrous means it..

doesn't contain water

4
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Steps to work out dot formula for water of crystallisation:
( salt · xH₂O )

  1. Use number of… to work out number of…
  2. Use remaining atoms to determine…
  3. Construct…

use number of H atoms to work out number of H2O, use remaining atoms to determine salt formula, construct dot formula