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
Determine the van’t Hoff factor for the following solutes in aqueous solution: a. KCl b. HNO3...
7. Which of the following aqueous solution has the highest freezing point? The following solutes are all non-volatile solutes and you should assume ideal van’t Hoff factors applicable. Which has the highest vapor pressure? A) 0.075 m Li Cl B) 0.075 m (NH4)3PO4 C) 0.075 m NaBrO4 D) 0.075 m KCN E) 0.075 m KNO2
Calculate the molality and van't Hoff factor (i) for the following aqueous solution: 0.775 mass % KCl, freezing point = −0.364°C m = m KCl i =
For an aqueous solution of HF, determine the van't Hoff factor assuming 0% ionization. For the same solution, determine the van't Hoff factor assuming 100% ionization. A solution is made by dissolving 0.0300 mol HF in 1.00 kg of water. The solution was found to freeze at -0.0644°C. Calculate the value of i and estimate the percent ionization of HF in this solution.
1. What is the expected van't Hoff factor for FeCl3? (Assume dilute conditions) A) 1 B) 2 D) 4 C) 3 E) 5 2. Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable. A) 0.100 mol kg-1 NaCl B) 0.100 mol kg-1 AlCl3 C) 0.100 mol kg-1 MgCl2 D) 0.100 mol kg-1 C6H1206 E) They all have the same boiling point.
Calculate the molality and van't Hoff factor (i) for the following aqueous solution: 2.460 mass % H2SO4, freezing point = −1.056°C m = m H2SO4? i = ?
Solutes do not typically exhibit ideal behavior in solution, resulting in non-integer van't Hoff factors. Based on this information, which of the following solutes is most likely present in a 2.12 m aqueous solution with a boiling point of 103.87°C? (Kb for water is 0.512°C/m) NaBr C6H12O6 Na3PO4 Ca(ClO3)2
If a 0.750 ? aqueous solution freezes at −2.80 ∘C, what is the van't Hoff factor, ?, of the solute? Consult the table of ? f values.
Which of the following aqueous solutions containing nonvolatile solutes should have the highest boiling point? (a) 0.02m C6H12O6 (b) 0.02m (NH4)2SO4 (c) 0.02m NaCl (d) 0.02m Ce(NO3)4 (e) all have the same boiling point. Could you also explain the reasoning behind your answer please?
Indicate the pair which constitutes a buffer in an aqueous solution: A. KCl and NaCl B. NH3 and NH4Cl C. HBr and KBr D. HNO3 and NH4NO3
A. Determine the molality of a solution made by dissolving 42.6 g of CH3OH in 716 g of H2O. Answer:_____m CH3OH B. Determine the molality of a solution made by dissolving 0.568 moles of (NH4)2CO3 in 3366 g of H2O. Answer:_____m (NH4)2CO3 C. Determine the molality of a solution made by dissolving 0.519 moles of CH3OH in 746 g of ethanol. Answer:___m CH3OH