Categories
Chemistry
Molecular weight, ideal gas law and chemistry formulas
31 calculators
Molecular Weight Calculator
Compute molecular weight.
Molarity Calculator
Molar concentration of a solution.
Molality Calculator
Moles of solute per kg of solvent.
Dilution Calculator
M₁V₁ = M₂V₂.
Mole Calculator
Moles from mass and molar mass.
Percent Yield Calculator
Actual vs theoretical yield.
Mass Percent Calculator
Mass percent of a solute in a solution.
pH Calculator
pH from hydrogen ion concentration.
pOH Calculator
pOH from [OH⁻].
Buffer pH Calculator
Henderson-Hasselbalch equation.
Titration Calculator
Compute unknown concentration from titration.
Gas Pressure Calculator
P = nRT/V.
Gas Density Calculator
ρ = PM/RT.
Henderson-Hasselbalch
Same as buffer pH.
Boyle’s Law Calculator
P₁V₁ = P₂V₂.
Charles’s Law Calculator
V₁/T₁ = V₂/T₂.
Combined Gas Law
P₁V₁/T₁ = P₂V₂/T₂.
Specific Heat Calculator
q = mcΔT.
Equilibrium Constant K
K = [products]/[reactants].
Gibbs Free Energy
ΔG = ΔH − TΔS.
Avogadro Number Calculator
Particles = moles × 6.022×10²³.
Molar Mass from Gas Density
M = ρRT/P.
Mole Fraction Calculator
x = nA / (nA + nB).
Freezing Point Depression
ΔTf = Kf × m × i.
Boiling Point Elevation
ΔTb = Kb × m × i.
Osmotic Pressure Calculator
π = i M R T.
Arrhenius Equation Calculator
k = A exp(-Ea / RT).
Nernst Equation Calculator
E = E° − (0.0592/n) log Q.
Atom Economy Calculator
(MW desired / MW all products) × 100%.
pH to [H⁺] Calculator
[H⁺] = 10⁻ᵖᴴ.
[H⁺] to pH Calculator
pH = −log₁₀([H⁺]).