Change in Freezing Point Calculator

Calculate Change in Freezing Point (ΔT_f)





Formula

The formula to calculate the Change in Freezing Point (ΔT_f) is:

\[ ΔT_f = K_f \cdot m \cdot i \]

Where:

Example

Let's say the freezing point depression constant (\( K_f \)) is 1.86 °C·kg/mol, the molality (\( m \)) is 0.5 mol/kg, and the Van’t Hoff factor (\( i \)) is 2. Using the formula:

\[ ΔT_f = 1.86 \cdot 0.5 \cdot 2 \]

We get:

\[ ΔT_f = 1.86 \]

So, the Change in Freezing Point (\( ΔT_f \)) is 1.86 °C.

What is Change in Freezing Point?

The change in freezing point, also known as freezing point depression, is a colligative property observed in solutions. It refers to the decrease in the freezing point of a solvent when a solute is dissolved in it. This phenomenon occurs because the presence of solute particles disrupts the formation of the solid phase, requiring a lower temperature to achieve the same state. The extent of freezing point depression depends on the concentration of the solute particles and the nature of the solvent.

Extended information about "Change-in-Freezing-Point-Calculator"

Change in Freezing Point Formula

Formula: \( \Delta T_f = K_f \cdot m \)

Example: \( \Delta T_f = 1.86 \cdot 0.5 \)

Change in Temperature Freezing Point Equation

Formula: \( \Delta T_f = K_f \cdot m \)

Example: \( \Delta T_f = 2.0 \cdot 0.3 \)

Freezing Point Calculation Formula

Formula: \( T_f = T_f^0 - \Delta T_f \)

Example: \( T_f = 0 - 1.5 \)

Lowering in Freezing Point Formula

Formula: \( \Delta T_f = K_f \cdot m \)

Example: \( \Delta T_f = 1.5 \cdot 0.4 \)

How to Calculate the Average Freezing Point

Formula: \( T_{avg} = \frac{\sum T_f}{n} \)

Example: \( T_{avg} = \frac{(-1.5 + -1.6 + -1.4)}{3} \)