Boiling point elevation
Boiling point elevation: use van ’t hoff factor, ebullioscopic constant, molality. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
ΔT_b = i K_b b
Variables & units
- Van ’t Hoff factor
- Numeric value · minimum 0, maximum 1000000000000
- Ebullioscopic constant
- K·kg/mol · minimum 0, maximum 1000000000000
- Molality
- mol/kg · minimum 0, maximum 1000000000000
Worked example
Use the displayed example inputs, then follow the substituted values in the solution.
Assumptions
Ideal dilute-solution colligative approximation; supply the solvent constant and effective particle factor.
References
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
Calculated on your device. Your latest 100 calculations stay in this browser.