Which of the following units is useful in relating concentration of solution with its vapor pressure? 1. The Van 't Hoff factor for 0.01 M Na2SO4 solution is 1.32. The degree of di... Which of the following units is useful in relating concentration of solution with its vapor pressure? 1. The Van 't Hoff factor for 0.01 M Na2SO4 solution is 1.32. The degree of dissociation is: 3. Which of the following solutions would have the highest osmotic pressure? 4. The freezing point of 11% aqueous solution of calcium nitrate will be: 5. Henry's law constant K of CO2 in water at 25°C is 3 × 10−2 mol/L⋅atm. Calculation of CO2 present in 100 L of soft drink bottled with a partial pressure of CO2 of 4 atm at the same temperature. 6. Consider the following figure and mark the correct option. 7. If two liquids A and B form minimum boiling azeotrope at some specific composition then: 8. We have three aqueous solutions of NaCl labelled as 'B' and 'C' with concentrations 0.1M, 0.6M and 0.9M respectively. The value of van 't Hoff factor for these solutions will be in the order: 9. 0.2 molar acid HX is 20% ionized in solution. 10. Which of the following statements is false? 11. Assertion: When methyl alcohol is added to water, boiling point of water increases. Reason: When a non-volatile solute is added to a volatile solvent elevation in boiling point is observed.
Understand the Problem
The question is asking about various concepts related to solutions, including vapor pressure, osmotic pressure, freezing point depression, and colligative properties. It presents multiple choice questions that involve calculations and theoretical understanding in chemistry.
Answer
Mole fraction
The final answer is (a) Mole fraction
Answer for screen readers
The final answer is (a) Mole fraction
More Information
Mole fraction is used to relate the concentration of a solution with its vapor pressure according to Raoult's law.
Tips
Common mistakes can include confusing mole fraction with molality or parts per million. Remember that Raoult's law specifically employs mole fraction.
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