2. 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
3. Which of the following would serve as the best electrical conductor (assuming constant molarities)?
HC2H3O2 H2O H2CO3 H2SO4 HF
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. Coagulation is destoyed by:
heating shaking adding an electrolyte A&B A&C
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