pH from Molarity Calculator Calculate pH for strong acids, strong bases, weak acids, weak bases & buffers — instantly. Select Solution Type Strong Acid Strong Base Weak Acid (Ka) Weak Base (Kb) Buffer (H-H) i Enter the molar concentration of your strong acid (e.g. HCl, HNO₃, H₂SO₄). Strong acids dissociate completely, so [H⁺] equals the […]

Molarity Solution Calculator Find molarity, moles, mass, or dilution values for any chemical solution instantly. Inputs Calculation Mode Find Molarity (Moles & Volume)Find Molarity (Mass & Molar Mass)Find Mass of Solute (from Molarity)Find Moles of Solute (from Molarity)Dilution Calculator (M₁V₁ = M₂V₂) Moles of Solute molmmol Mass of Solute gmgkg Molar Mass (g/mol) Volume of […]

Molarity Concentration Calculator Convert mass, percent, DNA & protein concentration into precise molarity instantly. Inputs Calculation Type Mass & Volume → MolarityPercent Concentration → MolarityMolarity → ConcentrationDNA Concentration → MolarityProtein Concentration → Molarity Mass of Solute gmgkg Molecular Weight g/mol Solution Volume LmL Percent Concentration % w/w Solution Density g/mL Molecular Weight g/mol Molarity MmMµM […]

Atom Charge Calculator Calculate ionic charge & formal charge of any atom — instantly & accurately. ⚛ Ionic Charge 🔬 Formal Charge Ionic Charge Inputs Formula: Charge = Protons − Electrons  |  Neutral atom: protons = electrons. Losing electrons → cation (+). Gaining electrons → anion (−). Element Symbol (optional) Symbol Leave blank if unknown […]

Moles to Atoms Calculator Convert moles to atoms or atoms to moles instantly using Avogadro’s number. Inputs Conversion Direction Moles → AtomsAtoms → Moles Enter Value mol Decimal Precision 2 decimals3 decimals4 decimals6 decimals ! Please enter a valid positive number. Calculate Result ► References & Notes Formula (Moles → Atoms): Atoms = Moles × […]

Atomic Mass Calculator | ZoCalculator.com Atomic Mass Calculator Calculate average atomic mass, mass number & relative atomic mass — instantly. ⚗️ Average Atomic Mass(from isotopes) 🔬 Mass Number(protons + neutrons) ⚖️ Mass of N Atoms(grams / kg) Isotope Data Enter each isotope’s exact mass (amu) and its natural percent abundance (%). All abundances should add […]

Ideal Gas Law Calculator Solve PV = nRT instantly for Pressure, Volume, Moles, or Temperature. Solve For Pressure (P) Volume (V) Moles (n) Temp (T) Known Values Pressure (P) atmkPaPammHgbar Volume (V) LmLm³ft³ Moles (n) mol Temperature (T) K°C°F ! Please enter valid values for all three known fields. Calculate Result ► References & Notes […]