Transcription of Common Student Misconceptions - Currituck County Schools
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Common Student Misconceptions - Currituck County Schools
AP Chemistry chapter 4. Aqueous Reactions and Solution stoichiometry - 1 - chapter 4. Aqueous Reactions and Solution stoichiometry Common Student Misconceptions Molarity is moles of solute per liter of solution not per liter of solvent. students sometimes used moles instead of molarity in MinitialVinitial = MfinalVfinal. students sometimes think that water is a good conductor. students sometimes have a problem with the arbitrary difference between strong and weak electrolytes. The symbols (equilibrium) and Q(resonance are often confused. students often do not see that the net ionic equation for the reaction between strong acids and strong bases is always H+(aq) + OH-(aq) H2O(l). students try to split polyatomic ions into smaller ions when they write net ionic equations. students do not appreciate the difference between equivalence point and end point.)
AP Chemistry Chapter 4. Aqueous Reactions and Solution Stoichiometry - 3 - 4.2 Precipitation Reactions • Reactions that result in the formation of an insoluble product are known as precipitation reactions. • A precipitate is an insoluble solid formed by a reaction in solution.
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