Multiple Choice
9.92 grams of a compound with a molar mass of 124.0 grams/mole when dissolved in 150.0 grams of water gave a solution that had a freezing point of -2.69°C. Calculate the experimental value of the van't Hoff factor. Kf = 1.86 °C m-1.
A) 1.21
B) 1.45
C) 1.54
D) 2.69
E) 2.71
Correct Answer:

Verified
Correct Answer:
Verified
Q61: A solution is prepared by mixing 0.3355
Q62: A solution is sitting undisturbed on a
Q63: Calculate the molality of a 25.0% by
Q64: A solution is made by dissolving 1.25
Q65: An unknown ionic substance has a van't
Q67: An aqueous solution made by dissolving 168
Q68: The van't Hoff factor describes to what
Q69: An aqueous solution of orthophosphoric acid, H<sub>3</sub>PO<sub>4</sub>,
Q70: At 28.0°C, the vapor pressure of n-propyl
Q71: An aqueous solution of ethanol, C<sub>2</sub>H<sub>5</sub>OH, is