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chem AP

QuestionAnswer
When two solutions are mixed, an insoluble solid forms Precipitation reactions
A soluble hydroxide and a soluble acid react to form water and a salt Acid-Base reactions
Reactions in which one or more electrons are transferred Oxidations-Reduction reactions (redox rxns)
A: Determine what reaction takes place B: write the balanced net ionic equation for the reaction C: Calculate the moles of reactants D: Determine which reactant is limiting E: Calculate the moles of product or products F: Convert to grams/Other unit Stoichiometry of Precipitation Reactions
Bronsted: acids are proton donors, bases are proton acceptors Arrhenius: Acids produce H+ ions in water, bases product OH- ions in solutions Acid-Base reactions (Neutralization Reactions)
1: List the species present in the combined solution before any reactions occurs; decide what reaction will occur 2: Write the balanced net ionic equation for this reaction 3: Calculate the moles or reactants Stoichiometry Calculations for Acid-Base reactions
A: For reactions in solution, use volumes of the original solutions and their molarities 4: Determine the limiting reactant where appropriate 5: Calculate the moles of the required reactant or product 6: Convert to grams or volume of solution require Stoichiometry calculations for acid-base reactions (extended)
Solution of known concentration Titrant
Solution of unknown concentration Analyte
Point at which the amount of titrant added to analyte results in perfect neutralization Equivalence point
A substance added at the beginning of the titration that changes color of the equivalence point Indicator
The point at which the indicator changes color Endpoint
A: The exact reaction between titrant and analyte must be known B: The reaction must proceed rapidly C:The equivalence point must be marked accurately D:The volume of titrant required to reach the equivalence point Requirements for a successful titration
E: for Acid Base Titrations, the titrant should be a strong acid or strong base Requirements for a successful titration (Extended)
Created by: dfratesi6
 

 



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