Solubility: Temperature Effect Practice Problems

In diagram 3, all the solute has dissolved. Determine whether heating or cooling has caused the change from diagrams 2 to 1.

Does solubility increase or decrease with temperature increase in the following scenario: more dark chocolate drink powder dissolved in hot water than in iced water?

The general curve shown for the solubility of oxygen gas in liquid water versus temperature is consistent with the general trend for the solubility of gases in liquid water with an increase in temperature. Is this true?

The solubility of copper(II) sulfate at 40°C is 48 g of CuSO₄ in 100. g of H₂O. Determine if the following will result in an unsaturated, saturated, or supersaturated solution: 142 g of CuSO₄ is dissolved in 350. g of H₂O at 40°C.

Identify whether the following scenario depicts an unsaturated, saturated, or supersaturated solution: A saline solution that has a salt concentration of 0.90% w/v without any of it precipitating out of the solution even at a slightly lower temperature.

Determine whether the following describes an unsaturated, saturated, or supersaturated solution: Adding more ammonium nitrate to water but not all of the ammonium nitrate crystals dissolve, even after stirring repeatedly.

At 50 °C, 16.4 g of KClO₃ is dissolved in 100 mL of water. The solution is then cooled to 20 °C. Is the solution unsaturated, saturated, or supersaturated in the new temperature?

A/An ____ solution has more than the amount it can dissolve at equilibrium.

Which among the following is the best explanation why when a chilled bottle of soda is opened it will just make a slight hissing sound but when the same bottle is opened at room temperature the contents tend to expand all over the person's hand holding the bottle?