CHEM101 Lecture Notes - Lecture 8: Stoichiometry, Molar Mass, Conversion Of Units
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25 May 2018
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CHEM101- Lecture 8- Reactions in Aqueous Solutions
Reactions in Aqueous Solutions
• Solvent + solute= solution
o Solvent- major part
o Solute- minor part
o Solution- uniform/homogenous mixture
▪ Examples:
• Salt water, rubbing alcohol, sugar dissolved in
• Aqueous solutions: water is a solvent
o Many acid-based reactions are in aqueous solutions
Acids and Bases
• Many formulas of acids start with H
o ex: HCl, , ,
• Several formulas of bases end with OH
o
• Acids neutralize bases
o
o
Concentration of aqueous solutions
• Concentration (conc.) solution (sln) – amount of solute dissolved in a given quantity of
solvent or solution
o Concentrated solution- more solute and less solvent
▪ More solute relative to a dilute solution
• Dilute solution- less solute and more solvent
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