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Solubility and Solubility Curves Flashcards

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Solubility and Solubility Curves Flashcards

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Questions and Answers

How much additional mass of Potassium dichromate is required to saturate the solution at 50℃?

18g

Which of the following is NOT true regarding solubility curves?

Some substances have decreased solubility with increased temperature.

All substances increase in solubility with temperature. (correct)

Solubility is not affected by temperature.

Solubility curves can vary for different substances.

How is solubility determined?

By determining the maximum mass of a solute that can be dissolved in 100g of a solvent at a given temperature.

How is a supersaturated solution made?

<p>By making a saturated solution, heating it up, and adding more solute, then cooling the solution.</p> Signup and view all the answers

What best describes a supersaturated solution?

<p>A solution that contains more than the maximum amount of dissolved solute than a saturated solution under the same conditions.</p> Signup and view all the answers

Study Notes

Solubility Concepts

At 50℃, a solution with 12g of potassium dichromate (K₂Cr₂O₇) per 100g of water is not saturated; an additional 18g is needed to reach saturation.
Not all substances exhibit increased solubility with rising temperature; this statement is false regarding solubility curves.

Measuring Solubility

Solubility is quantified by the maximum mass of a solute that can dissolve in 100g of solvent at a specified temperature.

Creating Supersaturated Solutions

Supersaturation occurs by first creating a saturated solution, then heating it, adding extra solute, and finally cooling back down.

Characteristics of Supersaturated Solutions

A supersaturated solution holds more dissolved solute than what is typically possible for a saturated solution under equivalent conditions.

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Description

Test your knowledge of solubility and solubility curves with these flashcards. Explore essential concepts such as the saturation of solutions and the properties of solubility related to temperature. Perfect for students studying chemistry or preparing for exams.