Measuring solubility [chemistry only]
1 mark · NormalWhich precaution should be taken to ensure an accurate measurement of solubility during the experiment to find the solubility of a salt in water?
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Correct option: Weigh the evaporating basin before and after adding the solution
Common mistakes: Choosing options that allow undissolved solid in final mass.
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Marking points
B1 · 1 mark · Chooses the correct precaution for accurate measurement.
Worked solution
The correct answer is: Weigh the evaporating basin before and after adding the solution.