Quick answer
Estimate boiling-point elevation and freezing-point depression from molality, solvent constants, and a supplied van t Hoff factor. It does not calculate osmotic pressure or vapor-pressure lowering.
Formula and steps
ΔTb = iKb m; ΔTf = iKf m
Normalize the inputs first, keep working precision through intermediate steps, and round only the displayed result. Use the Molality when the next step requires a different chemistry model.
Assumptions and limits
Estimate boiling-point elevation and freezing-point depression from molality, solvent constants, and a supplied van t Hoff factor. It does not calculate osmotic pressure or vapor-pressure lowering.
Frequently asked questions
What does this colligative properties assume?
The assumptions shown above are part of the result. If your system falls outside them, select a more complete method rather than forcing the number.
How should I report the answer?
Keep the units, input basis, significant figures, and model limitations with the result.
What does this calculator not do?
It does not calculate osmotic pressure or vapor-pressure lowering.