Multiple ChoiceWhich of the following best describes the effect of adding a nonvolatile solute to pure fluorine on its freezing point?45views
Multiple ChoiceAt the freezing point, the liquid form of a substance is in equilibrium with the solid form of the substance. Which statement best describes the relationship between the liquid and solid forms at this temperature?57views
Multiple ChoiceWhich aqueous solution has the lowest freezing point, assuming each solute behaves as a nonelectrolyte and all solutions have the same concentration?1views
Multiple ChoiceWhich aqueous solution will have the lowest freezing point, assuming all solutes behave ideally and each solution has the same molal concentration?1views
Multiple ChoiceHow many moles of ethylene glycol, C2H6O2, must be added to 1,000 g of water to form a solution that has a freezing point of –10ºC?1518views7rank1comments
Multiple ChoiceAn ethylene glycol solution contains 28.3 g of ethylene glycol, C2H6O2 in 97.2 mL of water. Calculate the freezing point of the solution. The density of water 1.00 g/mL.3539views6rank
Multiple ChoiceWhen 825 g of an unknown is dissolved in 3.45 L of water, the freezing point of the solution is decreased by 2.89°C. Assuming that the unknown compound is a non-electrolyte, calculate its molar mass.1251views3rank