What is the theoretical Van’t Hoff factor for the following substances: HCL & ethanol (CH3CH2OH)
Determine the van’t Hoff factor for the following solutes in aqueous solution: a. KCl b. HNO3 c. Al(NO3)3 d. CH3OH e. (NH4)2CO3
the ideal value of I (vant Hoff factor) for Li3PO4 is A. 3 B. 4 C. 1 D. 2 E. 5
Which of the following aqueous solutions will have the HIGHEST vapor pressure? Assume ideal Van’t Hoff factors. Pure water 0.300 m C6H12O6 (glucose) 0.300 m NaBr 0.200 m CaBr2
Arrange the following solutions in order of increasing freezing point depression. [Hint: The corresponding van’t Hoff factor (i) is given]: (a) 0.10 m MgCl2 in water, i = 2.7, Kf = 1.86°C/m for the solvent (water). (b) 0.20 m toluene in diethyl ether, i = 1.00, Kf = 1.79°C/m for the solvent (diethyl ether). (c) 0.20 m ethylene glycol in ethanol, i = 1.00, Kf = 1.99°C/m for the solvent (ethanol).
The boiling point of an aqueous 3.0M ethylene glycol (C2H6O2) solution is 102oC and the freezing point is-10.8oC. What is the experimental van't Hoff factor (i) and how does it compare to the theoretical van't Hoff factor?
2) What is the value for the van't Hoff factor (i) for Cu(NO3)2? a) i = 1 b) i= 2 c) i = 3 d) i= 4 e) i > 4
1) What is the value for the van't Hoff factor (i) for Zn(NO3)2? a) i = 1 b) i = 2 c) i = 3 d) i = 4 e) i > 4
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1) What is the value for the van't Hoff factor (i) for Zn(NO3)2? a) i = 1 b) i= 2 c) i= 3 d) i-4 e) i>4
[2.6] 6. a. Calculate the van't Hoff factor of a 0.085 M potassium sulfate solution that has an osmotic pressure of 5.4 atm at 25°C. b. Is this actual van't Hoff factor less than or greater than the ideal (expected) van't Hoff factor? Explain why the observed factor is different than the ideal factor.