What is the osmotic pressure of a solution containing 2 moles of glucose in 1 li

Practice Questions

Q1
What is the osmotic pressure of a solution containing 2 moles of glucose in 1 liter of solution at 25 °C? (2021)
  1. 0.0821 atm
  2. 1.0 atm
  3. 2.0 atm
  4. 4.0 atm

Questions & Step-by-Step Solutions

What is the osmotic pressure of a solution containing 2 moles of glucose in 1 liter of solution at 25 °C? (2021)
  • Step 1: Identify the formula for osmotic pressure, which is π = iCRT.
  • Step 2: Determine the value of 'i' for glucose. Since glucose does not dissociate in solution, i = 1.
  • Step 3: Identify the number of moles of glucose in the solution. Here, there are 2 moles of glucose.
  • Step 4: Identify the value of 'R', the ideal gas constant, which is 0.0821 L·atm/(K·mol).
  • Step 5: Convert the temperature from Celsius to Kelvin. 25 °C = 25 + 273 = 298 K.
  • Step 6: Plug the values into the osmotic pressure formula: π = 1 * 2 * 0.0821 * 298.
  • Step 7: Calculate the osmotic pressure: π = 1 * 2 * 0.0821 * 298 = 4.0 atm.
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