14. If the molar mass of toluene is 925 gmol, how much toluene is needed to...
Е. попе E. 0.733 and 1.324 14. the molar mass of toluene is 92.6 gmol, how much tokuene is needed to depress the freezing point of 200 g of benzene by 047C? K 5.12 Cm a The vapor pressure of pure water at 26 "C is 25.2 torr. What is he vapor pressure of a solution that contains 16.0 g of glucose (CaHuO) dissolved in 80 g of water? A. 1.7g A. 14.1 tor B. 17g B. 24.7 torm C....
answer questions 15 through 20 15. For crystal lattice where dimension, a = b = c and also all angles a =B=y = 90°. it represents: A. tetragonal B. cubic c. tetragonal D. orthorhombic E. both A and C 16. Consider the compounds water (H20). dimethylether (CH3OCH3), ethanol (CH3CH2OH), and propane (CH3CH2CH3). Their boiling points, not necessarily in order, are -42.1 °C, -24.8 °C, 78.4 °C and 100°C. Which one is INCORRECT prediction: A. water (100°C] B. ethanol [78.4 °C]...
14. If the molar mass of toluene is 92.6 g/mol, how much toluene is needed to depress the freezing point of 200 g of benzene by 0.47°C? K+ = 5.12°C/m ? A. 1.79 B. 17 g C. 0.0.91 g D. 18.35 g E. Not enough information given to answer