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Chemistry · Unit 2 · Aqueous solutions and acidity · Aqueous solutions and molarity

factors that affect solubility in aqueous solutions

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Question 1

Which factor will decrease the solubility of a solid ionic compound in water at constant temperature?

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Question 2

A student investigates the solubility of calcium carbonate (CaCO₃) in water at three different conditions. At 25 °C, CaCO₃ has a solubility of 0.013 g per 100 mL. The student observes that when carbon dioxide is bubbled through the solution, the solid dissolves more readily. Which statement best explains this observation?

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Question 3

Identify the two compounds from the table that are most soluble in water. Explain your reasoning.

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Explain that the unique properties of water are related to molecular shape and hydrogen bonding between molecules.
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Identify that changes in solvent temperature can affect the solubility of solid and gaseous solutes (solids and gases).
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