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Use the Moles To Grams Calculator to convert moles of a substance into grams using molar mass. Works for chemistry and lab planning.

Use this Atoms to Moles Calculator to convert atoms into moles using Avogadro’s number. Get accurate results in seconds.

Use a Limiting Reactant Calculator to identify the limiting reactant and predict theoretical yield from a balanced chemical equation.

Use a Mole Ratio Calculator to convert between reactant and product amounts (moles) using a balanced chemical equation.

Use an Activation Energy Calculator to find activation energy (Ea) from temperature and rate data using the Arrhenius equation.

Use an Entropy Calculator to compute Shannon entropy from probabilities. Get results in bits or nats and understand what uncertainty means.

Use the Grams to Moles Calculator to convert grams of a substance into moles using molar mass. Get accurate results instantly.

Use the Grams To Atoms Calculator to convert a sample’s mass in grams into the number of atoms using molar mass and Avogadro’s number.