Chemistry
Online chemistry calculators: molar mass, moles, reactions, stoichiometry, concentration, dilutions. Accurate tools with formulas and examples for students and professionals.
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Atoms To Moles Calculator
Atoms To Moles Calculator Convert between number of atoms and moles using Avogadro's constant. Essen
Avogadros Number Calculator Reference
Avogadro's Number Calculator Convert between number of particles, moles, and mass using Avogadro's c
Beer Lambert Law Calculator Absorbance Calculator
Beer Lambert Law Calculator Calculate absorbance, concentration, path length, or molar absorptivity
Buffer Preparation Calculator
Buffer Preparation Calculator Calculate precise buffer solution recipes for laboratory applications.
Buffer pH Calculator Henderson Hasselbalch Equation
Buffer pH Calculator Calculate buffer pH using the Henderson-Hasselbalch equation. Essential for bio
Calorimetry Calculator
Calorimetry Calculator Calculate heat transfer in chemical reactions and physical processes. Support
Charge To Moles Of Electrons Calculator
Charge To Moles Of Electrons Calculator Convert electrical charge (coulombs) to moles of electrons u
Chemical Amount Converter
Chemical Amount Converter Convert between moles, particles, and mass for chemical substances. Essent
Colligative Properties Calculator Boiling Point Elevation
Boiling Point Elevation Calculator Calculate how much a solute raises the boiling point of a solvent
Confidence Interval For Analytical Chemistry
Confidence Interval For Analytical Chemistry Calculate confidence intervals for analytical measureme
Corrosion Rate Calculator
Corrosion Rate Calculator Calculate metal corrosion rates using weight loss measurements. Supports A
Degree Of Unsaturation Calculator
Degree Of Unsaturation Calculator Calculate the index of hydrogen deficiency (IHD) for organic compo
Density Calculator
Density Calculator Calculate density from mass and volume for materials science, chemistry, and engi
Electrochemical Cell EMF Calculator Nernst Equation
Electrochemical Cell EMF Calculator Calculate cell potential using the Nernst equation for electroch
Energy Unit Converter Joules Calories eV
Energy Unit Converter Convert between Joules, Calories, and electronvolts (eV). Essential for physic
Equilibrium Constant Calculator Kc And Kp
Equilibrium Constant Calculator Calculate Kc (concentration-based) and Kp (pressure-based) equilibri
Excess Reactant Calculator
Excess Reactant Calculator Determine the limiting and excess reactants in chemical reactions. Input
Faradays Law Of Electrolysis Calculator
Faraday's Law of Electrolysis Calculator Calculate mass deposited or liberated during electrolysis u
Functional Group Analyzer
Functional Group Analyzer Identify and analyze organic functional groups from molecular formulas. Es
Gibbs Free Energy From EMF Calculator Delta G Equals Minus n F E
Gibbs Free Energy From EMF Calculator Calculate Gibbs free energy change (ΔG) from cell potential (E
Grahams Law Of Effusion Calculator
Graham's Law Of Effusion Calculator Compare effusion rates of gases based on their molar masses. Ess
Heat Calculator Q Equals m c Delta T
Heat Energy Calculator Calculate thermal energy transfer (Q) using mass, specific heat capacity, and
Hydrolysis Constant Calculator
Hydrolysis Constant Calculator Calculate hydrolysis constants (Kh) for salt solutions. Essential for
Isomer Counter Theoretical
Isomer Counter Theoretical Calculate the number of structural isomers for organic compounds. Input a
Limiting Reactant Calculator
Limiting Reactant Calculator Determine the limiting reactant and theoretical yield for chemical reac
Mass Percent Calculator
Mass Percent Calculator Calculate the concentration of a solute in a solution. Essential for chemist
Mass To Mole Calculator
Mass To Mole Calculator Convert between mass and moles for chemical substances using molar mass. Ess
Mass Volume Percent Concentration Calculator
Mass Volume Percent Concentration Calculator Calculate the concentration of a solution using mass/vo
Molar Volume Calculator At STP
Molar Volume Calculator At STP Calculate the volume occupied by one mole of an ideal gas at Standard
Mole Calculator
Mole Calculator Calculate chemical quantities using Avogadro's number. Perfect for chemistry student
Mole To Mass Calculator
Mole To Mass Calculator Convert between moles and mass for chemical substances using molar mass. Ess
Moles To Atoms Calculator
Moles To Atoms Calculator Convert between moles and atoms using Avogadro's constant. Essential for c
Neutralization Reaction Calculator
Neutralization Reaction Calculator Calculate stoichiometric ratios for acid-base neutralization reac
Normality Calculator
Normality Calculator Calculate solution normality (N) for chemistry and titration applications. Ente
Osmotic Pressure Calculator
Osmotic Pressure Calculator Calculate osmotic pressure using the van't Hoff equation for chemistry,
Oxidation Number Calculator
Oxidation Number Calculator Determine oxidation states of elements in chemical compounds using stand
Parts Per Million PPM Calculator
Parts Per Million (PPM) Calculator Calculate concentrations in parts per million for chemistry, envi
Percent Recovery Calculator
Percent Recovery Calculator Calculate the efficiency of extraction or purification processes by comp
Percent Yield Calculator
Percent Yield Calculator Calculate reaction efficiency by comparing actual and theoretical yields. E
Radiation Dose Calculator
Radiation Dose Calculator Calculate effective radiation doses from medical imaging procedures. Input
Rate Constant k Calculator
Rate Constant k Calculator Calculate reaction rate constants using the Arrhenius equation. Essential
Reaction Energy Calculator
Reaction Energy Calculator Calculate enthalpy changes (ΔH) for chemical reactions using standard for
Reaction Mass Calculator For Organic Synthesis
Reaction Mass Calculator Calculate required reactant masses for organic synthesis reactions. Input m
Reaction Order Calculator
Reaction Order Calculator Determine reaction order and rate constant from concentration and rate dat
Standard Cell Potential Calculator E Nought Cell
Standard Cell Potential Calculator Calculate the standard cell potential (E°cell) for electrochemica
Standard State Thermodynamics Calculator
# Standard State Thermodynamics Calculator ```html Standard State Thermodynamics Calculator Calculat
Stoichiometry For Esterification Calculator
Stoichiometry For Esterification Calculator Calculate mole ratios, limiting reagents, and theoretica
Temperature Converter Celsius Fahrenheit Kelvin
Temperature Converter Convert between Celsius, Fahrenheit, and Kelvin scales. Essential for cooking,
Vapor Pressure Calculator Raoults Law Calculator
Raoult's Law Vapor Pressure Calculator Calculate vapor pressure of ideal mixtures using Raoult's Law
pH Calculator
pH Calculator Calculate pH from hydrogen ion concentration or vice versa. Essential for chemistry, b
pH To Hydrogen Ion Concentration Calculator
pH to Hydrogen Ion Concentration Calculator Convert pH values to hydrogen ion concentration [H⁺] for
pKa Calculator
pKa Calculator Calculate acid dissociation constants (pKa) from concentration values. Essential for
pKb Calculator
pKb Calculator Calculate the base dissociation constant (pKb) from Kb values for chemical bases. Ess
pOH Calculator
pOH Calculator Calculate pOH from hydroxide ion concentration or pH. Essential for chemistry student