Your one stop solutions to everything chemistry. Balance chemical reactions and equations. Help finish Chemistry Problems Search Chemical Reactions from about 12000 reactions. Find Molar Mass of Compounds with built in Molar Mass Calculator Find Oxidation Numbers - Oxidation Number Calculator Perform calculations to find how much reagents and chemicals you need. Product mass based calculations Get required reactant weights for desired products. Keep track of previous chemical equations. By using this app, you agree to Appleβs standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/