![]() It is defined to be 1/12 of the mass of one atom of carbon-12 and in older works is also abbreviated as "amu".Īlso, important in this field is Avogadro's number (N A) or Avogadro's constant (6.0221 x 10 23). In related terms, another unit of mass often used is Dalton (Da) or unified atomic mass unit (u) when describing atomic masses and molecular masses. Molecular mass or molar mass are used in stoichiometry calculations in chemistry. ![]() This Calculator has been tested on Internet Explorer version 6 only,įirefox might not show all fields correctly. For question or remarks please contact us. !!! Lenntech BV cannot be held responsible for errors in the calculation, Make sure you enter the molecule of crystallization at last (e.g. The calculator handles at most two different bracket levels. The molecular mass calculator will recognize the entered formula's, which are included in the list of organic compounds. Or you can choose by one of the next two option-lists, which contains a series of common organic compounds (including their chemical formula) and all the elements. This online calculator you can use for computing the average molecular weight (MW) of molecules by entering the chemical formulas (for example C3H4OH(COOH)3 ). Molecular Weight Calculator Molecular Weight Calculator Separation and Concentration Purification Request.Plant Inspection & Process Optimalisation.Interactive operating system: Smart operating elements and numerous selection options.The web version also features new additional languages: Chinese (simplified), Portuguese, and Russian.Variety of languages: German, English, French, Spanish.Economical handling of access rights on the smartpohne app.Offline use. No Internet needed - applies only to the smartphone app.Elemental comparison - compare elements values right next to each other.The web app features a completely overhauled molar mass caluclator.Molar mass calculator: Simple entry field for chemical formulas.Visualized element properties: Atomic radius, atomic radius graphic, electronegativity (according to Allred-Rochow and Pauling), ionization energy, relative atomic mass, state of matter, ranking list of properties, discovery, classifications.All important information about the elements: Atomic number, valence electrons, oxidation state, electronegativity according to Allred-Rochow and Pauling, atomic mass, boiling point, melting point, atomic radius, density, history, discoverer, classification, crystalline structure type, electron configuration, basic state, ionization energy, isotopic composition, state of matter, hardness according to Mohs, oxidation numbers, percentage of mass in Earth's crust, year of discovery, half-life, and much more.Access the same amount of information on your browser, faster and deeper than ever before, with the same renowned ease of use.ĭownload now, or access the app directly online, free of charge, and start experimenting. With over 4.89 million downloads, our popular PTE app is also available in web format. ![]() ![]() The best thing about our app is how it brings all the periodic table families together to form the ultimate 'Tabla Periodica.' Indulge your curiosity with our complete periodic table of elements with masses, charges, chemical types, and everything else you can think of! Our mobile app provides easy access to information any time, offline (for smartphones) and in full detail. The Merck PTE App is the ultimate tool for every friend of chemistry - whether pupil or teacher, student or professor, amateur or expert, hobbyist or technician. ![]()
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