What does percent composition show?, The volume of each element, The percentage by mass of each element, Percent composition is useful for _______., evaluating the relative abundance of an element in compounds, counting atoms in a molecule, Which formula correctly represents percent composition?, % = mass of element ÷ mass of compound × 100, % = mass of compound ÷ mass of element × 100, The mass of an element in a compound is found by _______., multiplying moles by atomic mass, counting atoms, The molecular mass of a compound is _____., the ratio of atoms, the sum of atomic masses of all elements in the compound, What does an empirical formula show?, Simplest whole-number ratio of atoms, Percent of each element, Which statement is TRUE about empirical formulas?, They are always bigger than molecular formulas., They do not show exact counts, only reduced proportions., The empirical formula is a type of molecular formula that represents ______., the simplest whole-number ratio of atoms, the percent by mass, What does a molecular formula show?, The mass of one mole, The exact number of atoms in one molecule, In the molecular formula C₆H₁₂O₆, the subscripts 6, 12, and 6 mean __________., exact number of atoms of carbon, hydrogen, and oxygen, number of molecules.
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