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1. The freezing point of compound A is -28oC and its Kf is 6.28. A solution of 25 g of compound B in 1000.g of compound A freezes at -12oC. Find the molecular weight of compound B.
22 g 5.02 g 9.81 g 12.6 g 14.4 g

2. Which statement concerning the formation of a solution is FALSE?
the solute particles must overcome its intermolecular forces the resulting solution must overcome its intermolecular forces before forming into an ideal solution the solvent overcome its intermolecular forces the solute and solvent interact to form a solution all statements are true

3. Molality is measured in:
L/moles moles/L moles solute/kg solvent moles solute/ moles solvent + solute g/L

4. Something dissolves in water to form a 2 m solution. If 2.0 liters contains 200 grams of the substance, then what is the molecular mass of the substance?
25 g/mol 50 g/mol 75 g/mol 100 g/mol 125 g/mol

5. How many grams of NaOH are contained in 250 mL of 0.500 M NaOH?
0.125 g 5 g 10 g 0.25 g 0.5 g

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