The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 40°C. Calculate the vapor pressure of pure ethanol at 40°C assuming that glycerin is a nonvolatile, nonelectrolyte solute in ethanol.
Assorted Vapor Pressure, Boiling/Freezing Point Problems - Directions: For multiple choice questions, chose the single best answer. For questions involving
questions SHOW YOUR WORK! Full credit will not be given unless you show your work.
1. 3.59 g of wat ...
20 Multiple Choice Chemistry Questions - 1) Concentrated HNO3 is 70.0% HNO3 by mass and has a density of 1.42 g/mL. What is the molality of this solution?
A. 27
B. 29
C. 31
D. 37
2. Concentrated H3PO4 is 85.0% H3PO4 by mass an ...
Oxidation number of magnesium, etc - I just need the answer A.S.A.P
31. The oxidation number of Magnesium in Magnesium oxide is
+1
-1
+2
-2
32. What is the molarity of a solution in which 26.0 grams of BaCl2 (mol ...
What goes where in the calculation - I'm doing boiling point elevation and the formula (I don't know how to use the Equation Editor so I will type it out the best way that I can: delta T sub-script b is equal to k sub-script b times m ti ...