2. 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
3. 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
4. 1.00 * 10-3 of compound A was dissolved in enough water to make 1.00 mL of solution. The osmotic pressure of this solution was found to be 1.12 torr at 25oC. Calculate the molar mass.
6.01 * 10-5 g 1.66 * 104 g 1.66 g 6.01 g 5.12 g
5. Which of the following would serve as the best electrical conductor (assuming constant molarities)?
HC2H3O2 H2O H2CO3 H2SO4 HF
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