14. Solutions

The colloid osmotic pressure in the capillary is caused by __________.

Which of the following characterizes a colloid?

Calculate the osmotic pressure of a solution containing 18.95 mg of hemoglobin in 16.6 mL of solution at 18 °C. The molar mass of hemoglobin is 6.5×10^4 g/mol. Express your answer in atmospheres.

Determine the osmotic pressure at 22.5 °C of a 2.5 L aqueous solution that contains 50.0 g of sucrose (molar mass = 342.3).

What is the osmotic pressure of a solution containing 14 g of urea (H₂NCONH₂) in 300 mL of water at 217°C? (R = 0.0821 L·atm/mol·K)

What is the osmotic pressure of a solution formed by dissolving 44.3 mg of aspirin (C9H8O4) in 0.358 L of water at 25 °C, assuming complete dissociation and ideal behavior?

What is the osmotic pressure (in atm) of an aqueous solution that contains 162.1 g of glucose (C₆H₁₂O₆) in 1.50 L of solution at 295 K? (R = 0.0821 L·atm/mol·K, Molar mass of glucose = 180.18 g/mol)