Calculate the osmotic pressure of a solution containing 19.15 mg of hemoglobin in 15.4 mL of solution at 29 ∘C. The molar mass of hemoglobin is 6.5*104 g/mol.

Question

Cherish Conner

Biology

18 November, 14:19

Calculate the osmotic pressure of a solution containing 19.15 mg of hemoglobin in 15.4 mL of solution at 29 ∘C. The molar mass of hemoglobin is 6.5*104 g/mol.

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Answers (1)

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Ferrell · Answer 1

47565.9 atm

Explanation:

Number of moles = mass/molar mass

= 19.15 * 10^-3/6.5 * 10^4

= 29.46 mol.

V = 15.4 x 10^-3 L

R = 0.08205746 L. atm/K. mol

T = 30 + 273K

= 303 K

Using PV = nRT

P = (29.46 * 0.08205746 * 303) / 0.0154

= 47565.9 atm