Solubility Curves and Their Interpretation
Chemistry ⇒ Solutions and Colloids
Solubility Curves and Their Interpretation starts at 10 and continues till grade 12.
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A solubility curve shows that at 10°C, 30 g of a salt can dissolve in 100 g water. If you have a solution with 35 g of the salt in 100 g water at 10°C, what type of solution is this?
A solution at 40°C contains 30 g of solute per 100 g water. The solubility at 40°C is 25 g per 100 g water. What will happen if the solution is left undisturbed?
A student dissolves 40 g of KNO3 in 100 g of water at 30°C. According to the solubility curve, the maximum solubility at 30°C is 48 g per 100 g water. Is the solution saturated, unsaturated, or supersaturated?
At 40°C, the solubility of substance Y is 20 g per 100 g water. If you have a solution with 25 g of Y in 100 g water at 40°C, what will happen if you add a seed crystal?
A solubility curve for a salt shows that at 60°C, 80 g of the salt can dissolve in 100 g of water. If you add 100 g of the salt to 100 g of water at 60°C, how much will remain undissolved?
A solubility curve shows that at 10°C, 30 g of a salt can dissolve in 100 g water. If you have a solution with 35 g of the salt in 100 g water at 10°C, what type of solution is this?
A solubility curve shows that at 25°C, 36 g of NaCl can dissolve in 100 g water. If you add 40 g NaCl to 100 g water at 25°C, how much will remain undissolved?
A solution at 25°C contains 50 g of sugar in 100 g water. The solubility of sugar at 25°C is 200 g per 100 g water. Is the solution saturated, unsaturated, or supersaturated?
If a solution contains less solute than the amount indicated by the solubility curve at a given temperature, it is called: (1) Saturated (2) Unsaturated (3) Supersaturated (4) Concentrated
Which of the following best describes a saturated solution? (1) No more solute can dissolve at that temperature (2) More solute can dissolve (3) All solute has crystallized (4) The solution is diluted
Which of the following best describes a supersaturated solution? (1) Contains more solute than can normally dissolve at that temperature (2) Contains less solute than can dissolve (3) Contains exactly as much solute as can dissolve (4) Contains no solute
Which of the following is NOT a factor that affects solubility? (1) Temperature (2) Pressure (3) Color of solute (4) Nature of solute and solvent
Fill in the blank: The solubility of a solid in a liquid generally ________ with increasing temperature.
Fill in the blank: The solubility of most gases in water ________ as temperature increases.
On a solubility curve, the y-axis usually represents ________ and the x-axis represents ________.
The point on a solubility curve where the solution contains the maximum amount of dissolved solute at a given temperature is called the ________ point.
True or False: Gases generally become less soluble in water as temperature increases.
True or False: Most solid solutes become more soluble in water as temperature increases.
True or False: The solubility of a solid in a liquid always increases with temperature.
True or False: The solubility of a solute is always higher at higher temperatures.
