What is the molar solubility of CaCO3 at 50°C in a solution pre- pared by dissolving 1.000 L of CO2 gas (at 20°C and 731 mm Hg) and 3.335 g of solid Ca(OH)2 in enough water to make 500.0 mL of solution at 50°C? Is the solubility of CaCO3 at 50°C larger or smaller than at 25 °C? Explain. You may assume that AH° and AS° are independent of temperature.

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Chapter15: Complex Ion And Precipitation Equilibria
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What is the molar solubility of CaCO3 at 50°C in a solution pre-
pared by dissolving 1.000 L of CO2 gas (at 20°C and 731 mm Hg)
and 3.335 g of solid Ca(OH)2 in enough water to make 500.0 mL
of solution at 50°C? Is the solubility of CaCO3 at 50°C larger or
smaller than at 25 °C? Explain. You may assume that AH° and
AS° are independent of temperature.
Transcribed Image Text:What is the molar solubility of CaCO3 at 50°C in a solution pre- pared by dissolving 1.000 L of CO2 gas (at 20°C and 731 mm Hg) and 3.335 g of solid Ca(OH)2 in enough water to make 500.0 mL of solution at 50°C? Is the solubility of CaCO3 at 50°C larger or smaller than at 25 °C? Explain. You may assume that AH° and AS° are independent of temperature.
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