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Boiling point elevation calculator

ΔT_b from molality, van’t Hoff factor i, and K_b (ebullioscopic constant).

Calculator

How to use

Boiling point elevation

$$\Delta T_b = i K_b m$$

  • m is molality (mol/kg solvent); i accounts for electrolyte dissociation.
  • K_b is tabulated per solvent (water ≈ 0.512 K·kg/mol).

Educational use only. Double-check values for labs, homework, and exams.