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Osmotic pressure of a solution from its concentration and temperature

This type of question, asked 9 times: 9 May 2023 S1, 10 May 2024 S2, 11 May 2024 S2, 12 May 2024 S1, 20 Apr 2025 S1, 22 Apr 2025 S1, 16 Apr 2026 S2, 20 Apr 2026 S2, 19 May 2026 S1. All 9 questions below, oldest first.

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  1. Question 1

    9 May 2023 S1

    88
    What is the osmotic pressure of solution prepared by dissolving 3 gram solute in 2 dm32\,\text{dm}^3 water at 300 K. (Molar mass of solute =60 g mol−1= 60\,\text{g\,mol}^{-1}, R=0.0821 dm3 atm K−1 mol−1R = 0.0821\,\text{dm}^3\,\text{atm\,K}^{-1}\,\text{mol}^{-1})

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  2. Question 2

    10 May 2024 S2

    56
    What is osmotic pressure of solution of 1.7 g CaCl2_2 in 1.25 dm3^3 water at 300 K if van't Hoff factor and molar mass of CaCl2_2 are 2.47 and 111 g mol−1^{-1} respectively (R=0.082 dm3 atm mol−1 K−1)(R=0.082\,\text{dm}^3\,\text{atm mol}^{-1}\,K^{-1})?

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  3. Question 3

    11 May 2024 S2

    93
    Calculate osmotic pressure of 0.2 M aqueous KCl solution at 0∘C0^{\circ}\text{C} if Van't Hoff factor for KCl is 1.83. R=0.082 dm3 atm mol−1 K−1R = 0.082\text{ dm}^3\text{ atm mol}^{-1}\text{ K}^{-1}

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  4. Question 4

    12 May 2024 S1

    77
    Calculate osmotic pressure of solution of 0.025 mole glucose in 100 mL water at 300 K. (R=0.082 atm dm3 mol−1 K−1R=0.082\,\text{atm dm}^{3}\,\text{mol}^{-1}\,\text{K}^{-1})

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  5. Question 5

    20 Apr 2025 S1

    99
    Calculate the osmotic pressure of 0.03 mole of non-electrolyte solute dissolved in 0.1dm30.1dm^{3} of water at 300 K. [R=0.082dm3 atm mol−1 K−1]\left\lbrack R = 0.082dm^{3}\text{ }atm{\text{ }mol}^{- 1}{\text{ }K}^{- 1} \right\rbrack

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  6. Question 6

    22 Apr 2025 S1

    71
    Calculate the osmotic pressure of 0.5 M aqueous solution of nonvolatile solute at 300 K . [ R=0.0821 atmdm3 K−1 mol−1R = 0.0821\text{ }atmdm^{3}{\text{ }K}^{- 1}{\text{ }mol}^{- 1} ]

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  7. Question 7

    16 Apr 2026 S2

    24
    18 g of glucose (molar mass = 180 g/mol) is dissolved in water to prepare 500 ml solution at 15∘C15^\circ\mathrm{C}. Calculate the osmotic pressure of the solution. [R=0.0821 L atm K−1 mol−1][R = 0.0821\ \mathrm{L\,atm\,K^{-1}\,mol^{-1}}]

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  8. Question 8

    20 Apr 2026 S2

    23
    Find the osmotic pressure of 0.01 M solution at 25 ∘C25\ ^\circ\mathrm{C} (R=0.0821 L atm mol−1K−1)(R = 0.0821\ \mathrm{L\,atm\,mol^{-1}K^{-1}})

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  9. Question 9

    19 May 2026 S1

    26
    Calculate the osmotic pressure of a solution containing 3.423.42 g of fructose (molar mass = 180180 g/mol) in 1 litre of water at 400400 K.

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