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2.49 L of CO₂ is passed into excess of lime water solution at 1 bar and 27°C. The precipitate is filtered and dried and dissolved in 1 L of 0.2 M HCl solution and heated slightly. What is the osmotic pressure of the resulting solution at 27°C? (R = 0.083 L. bar. K¹ mol ¹) (Assuming all CO₂ in reaction 1 has been converted into ppt and

2.49 L of CO₂ is passed into excess of lime water solution at 1 bar and 27°C. The precipitate is filtered and dried and dissolved in 1 L of 0.2 M HCl solution and heated slightly. What is the osmotic pressure of the resulting solution at 27°C? (R = 0.083 L. bar. K¹ mol ¹) (Assuming all CO₂ in reaction 1 has been converted into ppt and
 

Grade:12

1 Answers

Priyanshu Gujjar
94 Points
2 years ago
formation of water soluble calcium bicarbonate
When CO2​ is passed through lime water, it turns milky due to the formation of calcium carbonate which is sinsoluble in water.
limewaterCa(OH)2​​+CO2​⟶milkinessCaCO3​​+H2​O
However, when excess of CO2​ is passed through this solution, the milkiness disappears. This is due to the formation of calcium bicarbonate which is colorless and soluble in water.
milkinessCaCO3​​+H2​O+excessCO2​​⟶water solubleCa(HCO3​)2​​

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