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Salt crystals How to proceed? 1. In a dosing glass, measure 100 ml of water

2. With a balance, measure 30 grams of salt

3. Dissolve salt in water (this can take a long time to complete because water gets saturated in salt)

4. Pour this mixture into a saucer

5. Leave the saucer in sunlight or near a heat source

6. The mixture between salt and water forces a dissolution: water is the solvent

7. Because of sunlight or heating, the solvent will evaporate

8. The salt will remain in the saucer as beautiful tiny square crystals
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Ingredients

- water
- salt


Ustensils

- a regular glass
- a dosing glass
- a balance
- a plate or a saucer
- a heat source
(alternatively, sunlight)
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Mineralogy

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