Question
Asked Dec 8, 2019
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3. Determine the osmotic pressure of seawater assuming that its composition can be reasonably
approximated as an aqueous solution containing 0.055 M MgCl2, 0.011 M CaCl2, 0.480 M NaCl,
and 0.011 M KCI.
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3. Determine the osmotic pressure of seawater assuming that its composition can be reasonably approximated as an aqueous solution containing 0.055 M MgCl2, 0.011 M CaCl2, 0.480 M NaCl, and 0.011 M KCI.

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Expert Answer

Step 1

Equation for Osmotic pressure can be written as:

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T = CRT

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Step 2

Term Ceff is the Osmolarity , yi is the Van’t Hoff factor and Ci is the molarity of specie i.

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c- Σχε

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Step 3

Further calculation for k...

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Car =E,C, %3D = 3 Y MgCh = 3 Y Cacl, 7 Naci =2 Y KCI C = (3 x0.055) +(3×0.011)+(2×0.480)+ (2×0.011) ´eff C =1.18M

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