What is the freezing point depression of a solution if 0.5 mol of a non-volatile

Practice Questions

What is the freezing point depression of a solution if 0.5 mol of a non-volatile solute is dissolved in 1 kg of water? (Kf for water = 1.86 °C kg/mol)

0.93 °C
1.86 °C
3.72 °C
0.5 °C

Questions & Step-by-Step Solutions

What is the freezing point depression of a solution if 0.5 mol of a non-volatile solute is dissolved in 1 kg of water? (Kf for water = 1.86 °C kg/mol)

Step 1: Identify the formula for freezing point depression, which is: Freezing point depression = Kf * molality.
Step 2: Determine the value of Kf for water, which is given as 1.86 °C kg/mol.
Step 3: Calculate the molality of the solution. Since we have 0.5 mol of solute and 1 kg of water, the molality is 0.5 mol/kg.
Step 4: Plug the values into the formula: Freezing point depression = 1.86 °C kg/mol * 0.5 mol/kg.
Step 5: Perform the multiplication: 1.86 * 0.5 = 0.93 °C.
Step 6: Conclude that the freezing point depression of the solution is 0.93 °C.

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What is the freezing point depression of a solution if 0.5 mol of a non-volatile

Practice Questions

Questions & Step-by-Step Solutions

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