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Chemistry LibreTexts

3.6: Key Terms

  • Page ID
    452711
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    Example and Directions
    Words (or words that have the same definition)The definition is case sensitive(Optional) Image to display with the definition [Not displayed in Glossary, only in pop-up on pages](Optional) Caption for Image(Optional) External or Internal Link(Optional) Source for Definition
    (Eg. "Genetic, Hereditary, DNA ...")(Eg. "Relating to genes or heredity")The infamous double helix https://bio.libretexts.org/CC-BY-SA; Delmar Larsen
    Glossary Entries
    Word(s)DefinitionImageCaptionLinkSource
    aqueous solutionsolution for which water is the solvent    
    Avogadro’s number (NA)experimentally determined value of the number of entities comprising 1 mole of substance, equal to 6.022 1023 mol−1    
    concentratedqualitative term for a solution containing solute at a relatively high concentration    
    concentrationquantitative measure of the relative amounts of solute and solvent present in a solution    
    dilutequalitative term for a solution containing solute at a relatively low concentration    
    dilutionprocess of adding solvent to a solution in order to lower the concentration of solutes    
    dissolveddescribes the process by which solute components are dispersed in a solvent    
    empirical formula masssum of average atomic masses for all atoms represented in an empirical formula    
    formula masssum of the average masses for all atoms represented in a chemical formula; for covalent compounds, this is also the molecular mass    
    mass percentageratio of solute-to-solution mass expressed as a percentage    
    mass-volume percentratio of solute mass to solution volume, expressed as a percentage    
    molar massmass in grams of 1 mole of a substance    
    molarity (M)unit of concentration, defined as the number of moles of solute dissolved in 1 liter of solution    
    moleamount of substance containing the same number of atoms, molecules, ions, or other entities as the number of atoms in exactly 12 grams of 12C    
    parts per billion (ppb)ratio of solute-to-solution mass multiplied by 109    
    parts per million (ppm)ratio of solute-to-solution mass multiplied by 106    
    percent compositionpercentage by mass of the various elements in a compound    
    solutesolution component present in a concentration less than that of the solvent    
    solventsolution component present in a concentration that is higher relative to other components    
    volume percentageratio of solute-to-solution volume expressed as a percentage    

    3.6: Key Terms is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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