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Understanding Neutralization Reactions and Titration in Acid-Base Chemistry

Neutralization reactions occur when an acid and a base react in an aqueous solution, producing a salt and water. This essential type of chemical reaction is fundamental in acid-base chemistry. Titration is a technique used to determine the concentration of an unknown solution by adding a known concentration of a titrant until the equivalence point is reached, which is indicated by a color change of the indicator used. This process allows chemists to calculate the concentration of acids and bases effectively.

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Understanding Neutralization Reactions and Titration in Acid-Base Chemistry

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  1. Neutralization Reactions

  2. Acid-Base Reactions • Reactions in which an acid and a base react in an aqueous solution to produce a salt and water are generally called neutralization reactions.

  3. Salts and Their Applications

  4. Titration • The process of adding a known amount of solution of known concentration to determine the concentration of another solution is called titration. • What is the endpoint of a titration? The point of neutralization is the end point of the titration.

  5. Titration • Add solution from the buret. • Reagent (base) reacts with compound (acid) in solution in the flask. • Indicator shows when exact stoichiometric(moles) reaction has occurred. (Acid = Base) This is called NEUTRALIZATION.

  6. ACID-BASE REACTIONSTitrations HCl(aq) + NaOH(aq) --->NaCl(aq) + H2O(liq) acidbase Carry out this reaction using aTITRATION.

  7. The solution of known concentration is called the standard solution. • Indicators are often used to determine when enough of the standard solution has been added to neutralize the acid or base. • The point at which the indicator changes color is the end pointof the titration.

  8. Equivalence Point • When an acid and base are mixed, the equivalence pointis when the number of moles of hydrogen ions equals the number of moles of hydroxide ions.

  9. Equivalence Point

  10. ACID-BASE REACTIONSTitrations HCl(aq) + NaOH(aq) --->NaCl(aq) + H2O(liq) acidbase TITRATION calculations Macid • Vacid = Mbase • Vbase

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