Boiling Point Elevation Calculator
Calculates the boiling point elevation of a solution using the van't Hoff factor, ebullioscopic constant and molality.
Moles, concentrations, and stoichiometry — step by step.
Solution concentration, dilution, and reaction math — with careful unit handling and explanations of the underlying relationships.
Calculates the boiling point elevation of a solution using the van't Hoff factor, ebullioscopic constant and molality.
Compute the mass percent of a solute in a solution from the mass of solute and the mass of solvent. Reports % (m/m) and...
Compute the freezing point of seawater (or any aqueous NaCl solution) from its salinity using the colligative-property f...
Calculates the volume of titrant solution required to completely neutralise a given analyte using n₁V₁ = n₂V₂. Applicabl...
Compute the dilution factor and final concentration when a stock solution is diluted to a new volume: C₁V₁ = C₂V₂, so C₂...
Convert a parts-per-million concentration of a solute (assumed numerically equal to mg/L in dilute aqueous solutions) to...
Convert the mass fraction of a solute w (g solute / g solution) to molality b = w / (M_solute × (1 − w)), with M in kg/m...
Convert solute molality (mol per kg of solvent) into molarity (mol per L of solution) given the solution density and the...
Calculates molality m = n_solute / mass_solvent (kg). Used in colligative property calculations where mass-based concent...
Convert the mass of a solute (in mg) per mass or volume of solution into parts-per-million (ppm) and parts-per-billion (...
Calculates freezing point depression for a solution from van't Hoff factor, cryoscopic constant, and molality.
Compute the new molar solubility of a 1:1 salt MA in a solution that already contains a common-ion concentration [A⁻], u...
Calculates osmotic pressure using van 't Hoff's law from solute molarity, van 't Hoff factor, and temperature.
Calculates the total vapor pressure of an ideal binary liquid mixture using Raoult's Law from mole fractions and pure co...
For a salt AB dissolving in a solution already containing [B] = c₀, calculates the new molar solubility s where Ksp = s(...
Convert a binary solution's solute mass percent into the solute mole fraction, given the molar masses of the solute and...
Compute molality (mol of solute per kg of solvent) from the mass of solute, its molar mass, and the mass of pure solvent...
Compute the ionic strength I of a multi-electrolyte solution from up to four ions: I = ½ · Σ cᵢ · zᵢ², where cᵢ is the m...
Calculates serum osmolality: Osm = 2×[Na⁺] + glucose(mg/dL)/18 + BUN(mg/dL)/2.8. Effective osmolality (tonicity) exclude...
Compute the final concentration of a non-volatile solute after a known fraction of solvent has evaporated, using mass co...
Compute the mole fraction of solute A in a binary mixture from its mass percentage and the molar masses of solute and so...
Convert the mole fraction of component A in a binary mixture to mass-percent (and vice-versa for component B), given the...
Applies Raoult's law to a binary solution: P_total = x₁·P°₁ + x₂·P°₂. Calculates mole fractions x₁ and x₂ from the measu...
Compute the molar concentration of a solution directly from the mass of solute (in grams), its molar mass, and the final...