Chemistry Calculators
Molarity, pH, half-life, and chemical calculations
Half-Life Calculator
Calculate radioactive or exponential decay half-life, remaining amount, and decay constant.
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Molarity Calculator
Calculate molarity (moles per liter) and perform dilution calculations (C1V1 = C2V2).
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pH Calculator
Calculate pH from H+ concentration and convert between pH, pOH, [H+], and [OH-].
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Molar Mass Calculator
Calculate molar mass from element atomic weights and their quantities in a compound.
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Dilution Calculator
Calculate dilution using C1V1 = C2V2 equation. Find any missing variable.
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Titration Calculator
Calculate titration endpoint including molarity, volume, and equivalence point.
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Boiling Point Elevation Calculator
Calculate boiling point elevation using ΔTb = Kb x m x i.
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Freezing Point Depression Calculator
Calculate freezing point depression using ΔTf = Kf x m x i.
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Gibbs Free Energy Calculator
Calculate Gibbs free energy using ΔG = ΔH - TΔS.
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Equilibrium Constant Calculator
Calculate the equilibrium constant (Keq) from product and reactant concentrations.
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Percent Yield Calculator
Calculate percent yield from actual and theoretical yield values.
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Theoretical Yield Calculator
Calculate theoretical yield from stoichiometry, reactant mass, and molar masses.
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Empirical Formula Calculator
Determine the empirical formula from mass percentages of elements.
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Radioactive Decay Calculator
Calculate remaining amount using N(t) = N0 x (1/2)^(t/t1/2).
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Nernst Equation Calculator
Calculate cell potential using E = E0 - (RT/nF)ln(Q).
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Osmotic Pressure Calculator
Calculate osmotic pressure using the formula pi = MRT.
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Ideal Gas Law Calculator
Solve PV = nRT for any variable — pressure, volume, moles, or temperature.
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Beer-Lambert Law Calculator
Calculate absorbance using A = εbc (molar absorptivity, path length, concentration).
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