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A 505-Gram Sample of a Compound Is Dissolved in Enough Water

Question 82

Multiple Choice

A 5.05-gram sample of a compound is dissolved in enough water to form 100.0 mL of solution.This solution has an osmotic pressure of 25.0 torr at 25°C.If it is assumed that each molecule of the solute dissociates into two particles (in this solvent) ,what is the molar mass of this solute?


A) 9.88 ×\times 101 g/mol
B) 6.30 ×\times 103 g/mol
C) 3.75 ×\times 103 g/mol
D) 7.51 ×\times 104 g/mol
E) none of these

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