2. Molarity is measured in:
moles/L moles/mL mL/moles L/moles moles/volume
3. 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
4. 25.00 g of an unknown salt of formula MX3 is dissolved in 2000. g H2O. The freezing point of the solvent is -50.0oC. Find the formula weight.
6.49 g 1.49 g 7.44 g 10.44 g 64.32 g
5. 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
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