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2 cards from this section. Quick, good the night before a test.
What is a solute?
Think about what is present in a smaller amount in a mixture.
Define molarity.
Remember the formula: Moles of solute/Volume of solution.
What is the formula for calculating molality?
Think about the mass of the solvent used in solution preparation.
True or False: Colligative properties depend on the identity of the solute.
Remember how colligative properties behave in concentrations.
If 25 g of glucose is dissolved in 500 g of water, calculate the freezing point depression. Use Kf for water as 1.86 K kg mol^-1.
Don't forget to convert grams to moles.
A solution has an osmotic pressure of 1.2 atm at 298 K. Calculate the molarity of the solute if R = 0.0821 L atm/(K mol).
What is R in your calculation?
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