a. A 202-mL benzene solution containing 2.47 g of the organic polymer has an osmotic pressure of 8.63 mm Hg at 21 OC. Calculate the molar mass of the polymer.  b. The salinity of sea water averages at around 35 ppt. However, the Dead Sea has an average salinity of around 287 ppt. What temperature is necessary to be able to ice skate on Dead Sea if it is assumed that the only salt present is magnesium chloride (MgCl2)? c. How many ions dissociates in MgCl3 which is equivalent to van’t Hoff factor (i)?

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a. A 202-mL benzene solution containing 2.47 g of the organic polymer has an osmotic pressure of 8.63 mm Hg at 21 OC. Calculate the molar mass of the polymer. 

b. The salinity of sea water averages at around 35 ppt. However, the Dead Sea has an average salinity of around 287 ppt. What temperature is necessary to be able to ice skate on Dead Sea if it is assumed that the only salt present is magnesium chloride (MgCl2)?

c. How many ions dissociates in MgCl3 which is equivalent to van’t Hoff factor (i)?

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