Worksheet: Osmometry

In this worksheet, we will practice using the mass, van 't Hoff factor, and osmotic pressure of a solute to calculate its molar mass.


When 2 . 8 × 1 0 4 k g of a certain chemical compound is dissolved in 0.579 L of water at 2 7 C , the osmotic pressure of the resultant solution is measured and found to have a value of 0.1625 atm. What is the molar mass of the chemical compound?

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