Prelab Brief
To separate a dissolved solid solute (like salt) from its solvent (water) by the process of evaporation.
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Theory
Separate a dissolved solid from a liquid by heating and evaporating the solvent. To separate a dissolved solid solute (like salt) from its solvent (water) by the process of evaporation.
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Formula
Principle: To separate a dissolved solid solute (like salt) from its solvent (water) by the process of evaporation.
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Aim
To separate a dissolved solid solute (like salt) from its solvent (water) by the process of evaporation.
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Apparatus
- China dish
- Tripod stand
- Wire gauze
- Bunsen burner
- Salt solution (salt dissolved in water)
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Procedure
- Pour the salt water solution into the china dish.
- Place the china dish on the wire gauze over the tripod stand.
- Light the Bunsen burner and gently heat the solution.
- Continue heating until all the water evaporates.
- Observe the white solid residue left behind in the dish.
Pre-Lab Questions
What is the main aim of the Evaporation Experiment?
Which principle is demonstrated in the Evaporation Experiment?
What apparatus is required for this experiment?
Why is China dish used in this experiment?
What formula or relationship is verified in this experiment?
What precaution should be followed while performing this experiment?
What conclusion can be drawn from the Evaporation Experiment?