Solute potential practice problems

Biology Unit 2. Try each one, then open the worked solution. The Credit Sprint app generates unlimited new versions with fresh numbers.

Problem 1.

Calculate the solute potential (in bars) of a 0.2 M sucrose (i = 1) solution at 25°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.2)(0.0831)(298) = -4.95 bars.

Problem 2.

Calculate the solute potential (in bars) of a 0.3 M sucrose (i = 1) solution at 20°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.3)(0.0831)(293) = -7.3 bars.

Problem 3.

Calculate the solute potential (in bars) of a 0.1 M sucrose (i = 1) solution at 20°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.1)(0.0831)(293) = -2.43 bars.

Problem 4.

Calculate the solute potential (in bars) of a 0.3 M sucrose (i = 1) solution at 25°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.3)(0.0831)(298) = -7.43 bars.

Problem 5.

Calculate the solute potential (in bars) of a 0.5 M sucrose (i = 1) solution at 20°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.5)(0.0831)(293) = -12.17 bars.

Problem 6.

Calculate the solute potential (in bars) of a 0.1 M sucrose (i = 1) solution at 22°C. Use R = 0.0831 L·bar/mol·K.

Show solution

Ψs = −iCRT = −(1)(0.1)(0.0831)(295) = -2.45 bars.