Solubility and Factors Affecting Solubility
Chemistry ⇒ Solutions and Colloids
Solubility and Factors Affecting Solubility starts at 9 and continues till grade 12.
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Describe the effect of temperature on the solubility of most salts in water.
Describe what happens when a saturated solution is cooled.
Explain how pressure affects the solubility of gases in liquids.
Explain why carbonated beverages lose their fizz faster at higher temperatures.
A solution contains 40 g of sugar in 200 g of water at 20°C. If the solubility of sugar at this temperature is 200 g per 100 g water, is the solution saturated, unsaturated, or supersaturated?
A student adds 10 g of salt to 100 g of water at 25°C and all the salt dissolves. The student then adds another 30 g of salt, but only 20 g dissolves. What is the solubility of salt in water at 25°C based on this experiment?
Explain why carbonated beverages lose their fizz faster at higher temperatures.
The solubility of KNO3 in water at 60°C is 110 g per 100 g water. If 150 g of KNO3 is added to 100 g of water at 60°C, how much will remain undissolved?
Which law states that the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid?
(1) Raoult's Law
(2) Henry's Law
(3) Dalton's Law
(4) Boyle's Law
Which of the following best describes a supersaturated solution?
(1) Contains less solute than it can hold
(2) Contains more solute than it can normally hold
(3) Contains exactly as much solute as it can hold
(4) Contains no solute
Which of the following factors does NOT affect the solubility of a solid in a liquid?
(1) Temperature
(2) Pressure
(3) Nature of solute and solvent
(4) Surface area of solute
Which of the following is most likely to be soluble in hexane?
(1) Sodium chloride
(2) Glucose
(3) Iodine
(4) Potassium nitrate
A solution at equilibrium with undissolved solute at the bottom is called a __________ solution.
A solution that contains less solute than it can hold at a given temperature is called a(n) __________ solution.
Fill in the blank: According to the principle 'like dissolves like', polar solutes are more soluble in __________ solvents.
Fill in the blank: The solubility of a gas in a liquid is directly proportional to the __________ of the gas above the liquid.
State whether the following statement is true or false: All ionic compounds are highly soluble in water.
True or False: A supersaturated solution is unstable and can crystallize solute if disturbed.
True or False: The solubility of a solid in a liquid is independent of the nature of the solvent.
True or False: The solubility of a solute is always the same at all temperatures.
