Mapa Mental - Materia De Matematica

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amount of topics Finding the empirical formula: divide Amount of substance + the mole 3.1 % by the Mr for each element, 2) divide all by the smallest answer to give 3) multiply up Determination of formulae 3.2 Finding the molecular formula: find the Moles and volumes 3.3 empirical formula, 2) divide the given Mr by Reacting quantities 3.4 the relative mass of multiply the by the answer to step to give MF MOLE, AMOUNT OF SUBSTANCE Water of water part of THAT CONTAINS AS MANY PARTICLES water is crystalline structure AS THERE CARBON ATOMS IN EXACTLY is lost (anhydrous). 12 GRAMS OF Formula of a hydrated salt: calc moles of n 2) moles of 5) Find whole no. ratio salt: water, write down x. moles Avogadro's constant is volumes The mass of one mole of any measurements, to cm3 substance : Mr in grams, H2 2g concentration mol the no. moles of solute Molar mass Mr in E dissolved in of moles to molecules: Standard solution conc) prepared by then times by no. atoms or ions if asks. dissolving an exact of solute in a solvent + molecules to moles: 6.02 making the solution up to an exact volume. Mass concentration, cortc dm3 Mr. formulae Molar gas volume. volume per mole of gas molecules. Molecular formula: the number of At RTP. not at RTP use n 24 atoms of each element in a molecule. ideal gas equation: pressure, Empirical formula: simplest whole num- ber ratio of atoms of each element in a temperature, Giant crystalline structure; Si