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A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm?
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A living cell contains a solution which is isotonic with 0.3 M sugar s...
Calculation of Osmotic Pressure
To calculate the osmotic pressure, we need to use the formula: π = iMRT, where π is the osmotic pressure, i is van't Hoff factor, M is the molarity of the solution, R is the gas constant, and T is the temperature.
Given data:
Molarity of sugar solution = 0.3 M
Molarity of KCl solution = 0.1 M
Temperature = body temperature
Determination of van't Hoff Factor
The van't Hoff factor (i) is the number of ions dissociated in a solution. Since both sugar and KCl are non-electrolytes, their van't Hoff factor is 1.
Calculation of Osmotic Pressure
π = iMRT
π = (1)(0.3 M)(0.0821 L•atm/mol•K)(310 K)
π = 7.47 atm
The osmotic pressure when the cell is in the sugar solution is 7.47 atm.
Determination of Osmotic Pressure in KCl Solution
When the cell is placed in 0.1 M KCl solution, the osmotic pressure can be calculated using the same formula.
π = iMRT
π = (1)(0.1 M)(0.0821 L•atm/mol•K)(310 K)
π = 2.49 atm
The osmotic pressure in KCl solution is 2.49 atm.
Therefore, the correct answer is option (d) 2.46 atm.
To calculate the osmotic pressure, we need to use the formula: π = iMRT, where π is the osmotic pressure, i is van't Hoff factor, M is the molarity of the solution, R is the gas constant, and T is the temperature.
Given data:
Molarity of sugar solution = 0.3 M
Molarity of KCl solution = 0.1 M
Temperature = body temperature
Determination of van't Hoff Factor
The van't Hoff factor (i) is the number of ions dissociated in a solution. Since both sugar and KCl are non-electrolytes, their van't Hoff factor is 1.
Calculation of Osmotic Pressure
π = iMRT
π = (1)(0.3 M)(0.0821 L•atm/mol•K)(310 K)
π = 7.47 atm
The osmotic pressure when the cell is in the sugar solution is 7.47 atm.
Determination of Osmotic Pressure in KCl Solution
When the cell is placed in 0.1 M KCl solution, the osmotic pressure can be calculated using the same formula.
π = iMRT
π = (1)(0.1 M)(0.0821 L•atm/mol•K)(310 K)
π = 2.49 atm
The osmotic pressure in KCl solution is 2.49 atm.
Therefore, the correct answer is option (d) 2.46 atm.
Community Answer
A living cell contains a solution which is isotonic with 0.3 M sugar s...
D??
π=(0.3×1-0.1×2) ×0.081×300=2.46 atm..
π=(0.3×1-0.1×2) ×0.081×300=2.46 atm..
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A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm?
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A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm?.
A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A living cell contains a solution which is isotonic with 0.3 M sugar solution. What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature? a. 5.08 atm b. 2.54 atm c. 4.92 atm d. 2.46 atm?.
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