What is the osmotic pressure of a 0.25 M solution of sucrose at 37°C? (R = 0.0821 L.atm/K.mol) A)6.6 * 10^-5 atm B)0.76 atm C)6.4 atm D)100 atm E)940 atm

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Quizplus · Accepted Answer

The osmotic pressure (π) can be calculated using the formula π = iMRT, where i is the van't Hoff factor (1 for sucrose, a non-electrolyte), M is the molarity (0.25 M), R is the gas constant (0.0821 L.atm/K.mol), and T is the temperature in Kelvin (37°C = 310 K). Plugging in these values gives π = (1)(0.25)(0.0821)(310) = 6.4 atm.

What Is the Osmotic Pressure of a 0