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This mole calculator explains and applies Avogadro’s number for converting between moles and numbers of molecules/atoms. It includes formulas for moving between mass, moles, and particle counts in chemistry workflows. The calculator is available online without mandatory payment.
Atom Economy Calculator that accepts a balanced reaction and desired product, then computes atom economy and waste fraction with step‑by‑step details and optional chart output. ([pearson.com](https://www.pearson.com/channels/general-chemistry/calculators/atom-economy-calculator))
This free molarity calculator determines any of the four variables in the molarity equation, given the other three.
This molecular weight calculator can determine the molecular weight or molar mass of a molecule based on its formula and also provides the percentage of the atoms.
Use this grams to moles calculator whenever you want to know the number of moles of a substance with a specific mass.
The mole fraction calculator provides you with the solution to your chemical questions — using two different methods!
Find out the number of equivalents present per liter of solution using our normality calculator.
Determine the hydrogen ion concentration from pH using this hydrogen ion concentration calculator.
Calculate the molar mass of a gas using the ideal gas law.
Need to convert between moles, molecular weight and mass? You can do it here with our mole calculator.
The molality calculator helps you find the molal concentration, given the number of moles of solute and the mass of the solvent.
Convert the number of moles to atoms using our moles to atoms converter and learn the formula, view step-by-step examples, and understand how to apply Avogadro's number.
If you need to convert ppm (parts per million) to molarity for solutions, this calculator is for you!
The AFR calculator gives you the rate between the mass of air and the mass of fuel of a complete combustion process.