17 calculators
Chemistry
Molecular weight, molar mass, mole conversions, and periodic table tools.
Calculators
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Boiling Point Elevation Calculator
Calculate boiling point elevation, solution boiling point, molality, or van't Hoff factor using ΔTb = iKb m, with solvent presets, mass inputs.
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Chemical Compound Lookup
Use this chemical compound lookup to search by name, alias, or formula, then calculate molar mass, grams-to-moles conversion, particle-count context.
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Dilution Calculator
Use this dilution calculator to solve C1V1 = C2V2 for stock concentration, stock volume, target concentration, or final volume, then review dilution factor.
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Electron Configuration Calculator
Use the electron configuration calculator to find full and noble-gas shorthand notation, orbital diagrams, valence electrons, shell distribution.
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Element Weights Lookup
Use this element weights lookup to find atomic weight by symbol, name, or atomic number, then convert grams to moles, atoms, or target grams for one element.
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Freezing Point Depression Calculator
Calculate freezing point depression, molality, or van't Hoff factor using ΔTf = iKf m, with solvent presets, custom constants, and particle-molality output.
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Gibbs Free Energy Calculator
Calculate ΔG from enthalpy, entropy, and temperature, then review the TΔS contribution, spontaneity, and temperature regime.
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Grams to Moles Converter
Convert grams to moles or moles to grams using molar mass, with particle count, worked-equation output, and quick chemistry reference masses.
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Molarity Calculator
Calculate molarity, moles, volume, or mass for a solution using M = n/V, then convert the solved concentration into g/L, mg/mL.
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Molecular Weight Calculator
Use this molecular weight calculator to get molar mass, formula mass, percent composition, and element-by-element breakdown from a chemical formula.
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Moles To Grams Converter
Convert moles to grams or grams to moles using molar mass, with worked chemistry examples and a reverse mode for quick checks.
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Nernst Equation Calculator
Use the Nernst equation calculator to estimate electrochemical cell potential from standard potential, temperature, electron count.
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Osmotic Pressure Calculator
Calculate osmotic pressure, molarity, temperature, or van't Hoff factor using Π = iMRT, with pressure units, particle molarity, and mOsm/L context.
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Percent Yield Calculator
Calculate percent yield, actual yield, or theoretical yield for a reaction, including mixed gram and mole comparisons with molar mass, step-by-step working.
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pH Calculator
Calculate pH, pOH, hydronium or hydrogen ion concentration, and hydroxide concentration from one known value, with a 25 °C default and optional custom pKw.
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Stoichiometry Calculator
Calculate reactant or product quantities from balanced chemical equations using mole ratios, with optional grams-to-moles and moles-to-grams conversions.
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Van der Waals Calculator
Solve the Van der Waals equation for real gas pressure, volume, temperature, or moles with common gas presets, a and b constants, ideal-gas comparison.