Engineering
Density
Density: use mass, volume. Review the formula, worked example and calculation steps.
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522 calculatorsChemistry calculators.
Work with solutions, gases and chemical quantities.
Browse the chemistry category subset →29 calculators · Star a calculator to find it in Favorites.
Engineering
Mass from density & volume
Mass from density & volume: use density, volume. Review the formula, worked example and calculation steps.
Open calculatorEngineering
Molarity from mass
Molarity from mass: use solute mass, supplied molar mass, final solution volume. Review the formula, worked example and calculation steps.
Open calculatorConversions
ppm to mg/L
ppm to mg/L: use mass concentration, solution density. Review the formula, worked example and calculation steps.
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Ideal gas pressure
Ideal gas pressure: use amount, absolute temperature, volume. Review the formula, worked example and calculation steps.
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Boyle’s law
Boyle’s law: use initial pressure, initial volume, final volume. Review the formula, worked example and calculation steps.
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Charles’s law
Charles’s law: use initial volume, initial temperature, final temperature. Review the formula, worked example and calculation steps.
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Combined gas law
Combined gas law: use initial pressure, initial volume, initial temperature. Review the formula, worked example and calculation steps.
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Solution dilution
Solution dilution: use initial concentration, stock volume, final solution volume. Review the formula, worked example and calculation steps.
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Dilution factor
Dilution factor: use final solution volume, stock aliquot volume. Review the formula, worked example and calculation steps.
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Mass to moles
Mass to moles: use mass, molar mass. Review the formula, worked example and calculation steps.
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Molar mass from mass & amount
Molar mass from mass & amount: use mass, amount. Review the formula, worked example and calculation steps.
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Particle count
Particle count: use amount. Review the formula, worked example and calculation steps.
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Percent yield
Percent yield: use actual yield, theoretical yield. Review the formula, worked example and calculation steps.
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Theoretical yield from percent yield
Theoretical yield from percent yield: use actual yield, percent yield. Review the formula, worked example and calculation steps.
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Atom economy
Atom economy: use desired product molar-mass contribution, total stoichiometric reactant molar-mass contribution. Review the formula, worked example and calculation steps.
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Mole fraction
Mole fraction: use component amount, total amount. Review the formula, worked example and calculation steps.
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Mass percentage
Mass percentage: use component mass, total solution mass. Review the formula, worked example and calculation steps.
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Molality
Molality: use solute amount, solvent mass. Review the formula, worked example and calculation steps.
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pH from hydrogen concentration
pH from hydrogen concentration: use hydrogen-ion concentration. Review the formula, worked example and calculation steps.
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pOH from hydroxide concentration
pOH from hydroxide concentration: use hydroxide-ion concentration. Review the formula, worked example and calculation steps.
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Beer–Lambert law
Beer–Lambert law: use molar attenuation coefficient, optical path, concentration. Review the formula, worked example and calculation steps.
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Absorbance to transmittance
Absorbance to transmittance: use absorbance. Review the formula, worked example and calculation steps.
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Arrhenius rate constant
Arrhenius rate constant: use pre-exponential factor, activation energy, absolute temperature. Review the formula, worked example and calculation steps.
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Gibbs free energy
Gibbs free energy: use enthalpy change, temperature, entropy change. Review the formula, worked example and calculation steps.
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Boiling point elevation
Boiling point elevation: use van ’t hoff factor, ebullioscopic constant, molality. Review the formula, worked example and calculation steps.
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Freezing point depression
Freezing point depression: use van ’t hoff factor, cryoscopic constant, molality. Review the formula, worked example and calculation steps.
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Osmotic pressure
Osmotic pressure: use van ’t hoff factor, concentration, temperature. Review the formula, worked example and calculation steps.
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Electrolysis mass
Electrolysis mass: use current, time, molar mass. Review the formula, worked example and calculation steps.
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