Find molar mass of solute dissociates into two particles, Chemistry

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Find molar mass of solute dissociates into two particles

A 4.82-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?

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