Multiple Choice
What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 270.1 g of water in order to lower the freezing point of water by 12.0 °C? (Kf for water is 1.86 °C/m)
14. Solutions
Freezing Point Depression
Back14. Solutions
Freezing Point Depression
- Multiple ChoiceWhat is the freezing point of a solution that contains 50.0 g of FeBr₃ in 200.0 g of water, given that the freezing point depression constant (Kf) for water is 1.86 °C/m?
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- Multiple Choice
How 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?
1views - Multiple ChoiceWhich of the following will cause liquid water to freeze and become ice?
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- Multiple Choice
When 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.
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- Multiple ChoiceWhat is the freezing point of a 0.050 m FeCl3 solution, assuming complete dissociation and using a freezing point depression constant (Kf) of 1.86°C/m for water?
- Open Question
Calculate the freezing point of a solution containing 1.25g of benzene in 100g of chloroform
1views - Open Question
What mass of glucose (C6H12O6) should be dissolved in 12.0 kg of water to obtain a solution with a freezing point of -5.8∘C?
1views