Mole Calculator
Convert between mass, number of moles, and molar mass for any substance.
Calculators and explainers tagged under Chemistry.
Convert between mass, number of moles, and molar mass for any substance.
Convert between mass, molecular weight, volume, and molar concentration for any solution.
Compute the equilibrium constant K_c from the concentrations of two products (with stoichiometric coefficients 1) divide...
Find the missing pressure or volume in Boyle's law (P₁V₁ = P₂V₂) for an ideal gas at constant temperature.
Find the missing pressure, volume, or temperature using the combined gas law for a fixed amount of gas.
Compute the normality (N) of a solution from its molarity (M) and the number of equivalents per mole.
Convert between hydrogen-ion concentration and pH, and find pOH for the complementary side of the scale.
Find the missing volume or temperature in Charles's law (V₁/T₁ = V₂/T₂) for an ideal gas at constant pressure.
Compute the freezing-point depression of a solution from molality, the solvent's cryoscopic constant, and the van't Hoff...
Estimate the pH of a buffer solution from the pKa of the weak acid and the molar ratio of conjugate base to acid.
Solve the ideal gas law PV = nRT for the missing variable given the other three. R defaults to 8.314 J/(mol·K).
Compute the mole fraction of a solute (and the solvent) from the moles of each component.
Compute pOH from hydroxide ion concentration and the matching pH at 25 °C.
Compute the mass percent of an element in a compound from the element's contribution to the molar mass and the total mol...
Compute the percent yield of a chemical reaction as the ratio of actual mass produced to the theoretical maximum.
Compute the remaining quantity of a decaying substance after any number of half-lives.
Use C1V1 = C2V2 to plan solution dilutions accurately.
Calculates percent yield from actual and theoretical product masses, or computes theoretical yield from limiting reagent...
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