What is the theoretical Van’t Hoff factor for the following substances: HCL & ethanol (CH3CH2OH)
What is the theoretical Van’t Hoff factor for the following substances: HCL & ethanol (CH3CH2OH)
The ideal value of i (van’t Hoff factor) for K3PO4 is _____
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
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).
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
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?
Which of the following compounds has the lowest van't Hoff factor? What is the van't Hoff factor of NaNO3, Na3PO4, Li2CO3, MgCl2? I calculated them all to be (in order) a van't Hoff factor of 4, 7, 5, and 3. However the lowest van't Hoff factor went to NaNO3. Why?
Select moll. The theoretical Vart Hoff factor for Fe, P J, Select which means that a 0.500 moll solution would have a total particle concentration of For the purposes of this question, assume that the compound is sufficiently soluble to achieve this concentration
HQ12.13 Homework. Unanswered What is the mass percent of ethanol (CH3CH2OH) if 0.0750 moles of ethanol is added to 0.350 kg of water? Numeric Answer: Unanswered 3 attempts left - Submit
Ideally, the van't Hoff factor, i, can be determined by the following equation [i = moles of particles/moles of dissolved solute] What I the van't Hoff factor for BeCl_2? 1 2 3 4
Place the following substances in order of decreasing vapor pressure. CH3CH2OH CH4 CH3OCH3 A) CH4 < CH3OCH3 < CH3CH2OH B) CH3CH2OH < CH4 < CH3OCH3 C) CH3CH2OH < CH3OCH3 < CH4 D) CH3OCH3 < CH4 < CH3CH2OH E) CH4 < CH3CH2OH < CH3OCH3