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- https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)/Chemical_Reactions/Stoichiometry/Chemical_FormulasFrom a chemical point of view, an element contained in the substance is a fundamental question, and we represent the elemental composition by a chemical formula, such as \(\ce{H2O}\) for water. Thus, ...From a chemical point of view, an element contained in the substance is a fundamental question, and we represent the elemental composition by a chemical formula, such as \(\ce{H2O}\) for water. Thus, from the weight of \(\ce{CO2}\) and \(\ce{H2O}\) produced by burning a definite amount of the substance, you can figure out the percent of \(\ce{C}\) and \(\ce{H}\) in the compound.
- https://chem.libretexts.org/Bookshelves/Analytical_Chemistry/Analytical_Chemistry_2.1_(Harvey)/16%3A_Appendix/16.01%3A_NormalityNormality measures concentration based on the equivalents of a chemical species reacting stoichiometrically with another species. The number of equivalents is determined by a reaction unit, specific t...Normality measures concentration based on the equivalents of a chemical species reacting stoichiometrically with another species. The number of equivalents is determined by a reaction unit, specific to the type of reaction: charge for precipitation, protons for acid-base, electron pairs for complexation, and electrons for redox reactions. Normality (N) is linked to molarity (M) through the formula \(N = n \times M\), where n represents the number of equivalents.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/Chem1_(Lower)/04%3A_The_Basics_of_Chemistry/4.03%3A_Formulas_and_Their_MeaningAt the heart of chemistry are substances — elements or compounds— which have adefinite composition which is expressed by a chemical formula. In this unit you will learn how to write and interpret chem...At the heart of chemistry are substances — elements or compounds— which have adefinite composition which is expressed by a chemical formula. In this unit you will learn how to write and interpret chemical formulas both in terms of moles and masses, and to go in the reverse direction, in which we use experimental information about the composition of a compound to work out a formula.
