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  1. Problems
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Solutions

Chemistry

Solubility, Henry's law, vapour pressure, Raoult's law, colligative properties and the van 't Hoff factor.

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33 problems
Exam:
Type:
1.
Blood has an osmotic pressure of 7.7 atm at 310 K… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Hard
2.
In benzene, ethanoic acid molecules can join in pairs… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorStemPy LabStemPy Lab
Hard
3.
A solution has 4.35 g of potassium sulphate, K₂SO₄, of molar mass 174 g/mol, in 500 g of water… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Medium
4.
Well water has dissolved particles, ions and molecules together, at a total concentration of 0.25… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Hard
5.
A solution of glucose has 22.5 g in each litre… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Medium
6.
A solution of 250 mg of a protein in 50.0 mL of solution has an osmotic pressure of 0.430 kPa at… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorStemPy LabStemPy Lab
Medium
7.
A solution has 6.84 g of sucrose, of molar mass 342 g/mol, in 250 mL of solution at 310 K… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAPStemPy LabStemPy Lab
Easy
8.
A student says: "A solute makes the solvent boil at a higher temperature because the solute itself… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Medium
9.
Two solutions are made. One has 10.0 g of glucose, of molar mass 180 g/mol, in 100 g of water… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAP, NEETStemPy LabStemPy Lab
Medium
10.
A chemist dissolves 0.38 g of an unknown non-electrolyte in 15.0 g of camphor… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorStemPy LabStemPy Lab
Medium
11.
A coolant is made by dissolving 93 g of ethylene glycol, C₂H₆O₂, of molar mass 62 g/mol, in 500 g… New
High School (11–12) · Colligative Properties and the van 't Hoff FactorAPStemPy LabStemPy Lab
Easy
12.
Hydrochloric acid and water form a maximum-boiling azeotrope with 20.2 % hydrogen chloride by mass… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Hard
13.
Liquids A and B form a maximum-boiling azeotrope at a mole fraction of A of 0.35… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Medium
14.
100.0 kg of a mixture of ethanol and water, with 40 % ethanol by mass, is distilled in a very tall… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawStemPy LabStemPy Lab
Medium
15.
At one temperature, pure A has a vapour pressure of 52.0 kPa and pure B has 18.0 kPa… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Hard
16.
A student pours 100 mL of acetone into 100 mL of chloroform in a flask… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Medium
17.
Pure A has a vapour pressure of 30.0 kPa and pure B has 20.0 kPa… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Medium
18.
Liquids A and B have vapour pressures of 35.0 kPa and 17.0 kPa when pure, at one temperature… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Medium
19.
12.0 g of a non-volatile compound is dissolved in 90.0 g of water at 298 K… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawStemPy LabStemPy Lab
Hard
20.
18.4 g of glycerol, with molar mass 92.0 g/mol, is dissolved in 90.0 g of water at 298 K… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, JEE MainStemPy LabStemPy Lab
Medium
21.
Methanol and ethanol form an almost ideal solution… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawStemPy LabStemPy Lab
Medium
22.
Liquids A and B form an ideal solution at 298 K… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAPStemPy LabStemPy Lab
Easy
23.
A student shakes a gas with 1.000 kg of water at 293 K until the amount dissolved stops changing… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, Board ExamStemPy LabStemPy Lab
Medium
24.
A deep diver breathes a mixture of 80 % helium and 20 % oxygen by moles, at a total pressure of 5.0… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawAP, Board ExamStemPy LabStemPy Lab
Hard
25.
A bottle of fizzy water is sealed with carbon dioxide at a pressure of 3.0 bar at 298 K… New
High School (11–12) · Solubility, Vapour Pressure and Raoult's LawStemPy LabStemPy Lab
Medium
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