What is the freezing point depression constant (Kf) for water?
Practice Questions
Q1
What is the freezing point depression constant (Kf) for water?
1.86 °C kg/mol
0.52 °C kg/mol
2.00 °C kg/mol
3.72 °C kg/mol
Questions & Step-by-Step Solutions
What is the freezing point depression constant (Kf) for water?
Correct Answer: 1.86 °C kg/mol
Step 1: Understand what Kf means. Kf is a constant that tells us how much the freezing point of a solvent (like water) decreases when a solute is added.
Step 2: Know that for water, this constant is specifically measured in degrees Celsius per kilogram per mole.
Step 3: Remember the value of Kf for water, which is 1.86 °C kg/mol.
Step 4: Use this value when calculating how much the freezing point of water will drop when a certain amount of solute is added.
