Chemistry: Acid-base Titration Essay -- essays research papers

Chemistry Acid-Base TitrationPurposeThe objective of this experiment were a) to canvas the concept ofsimple acid-base reactions b) to review the stoichiometric calculationsinvolved in chemical reactions c) to review the basic lab procedure of atitration and introduce the student to the concept of a primary received and theprocess of standardization d) to review the calculations involving chemicalsolutions e) to help the student improve his/her lab technique.TheoryTitration was used to study acid-base neutralization reactionquantitatively. In acid-base titration experiment, a solution of accurately KHPconcentration was added gradually to another solution of NaOH concentrationuntil the chemical reaction between the two solutions were completed. Theequivalence point was the point at which the acid was completely reacted with orneutralized by the base. The point was signaled by a changing of color of anindicator that had been added to the acid solution. Indicator was substance thathad clearly different colors in acidic and basic media. Phenolphthalein was acommon indicator which was colorless in acidic and neutral solutions, butreddish ping was result in basic solutions. Strong acid (contained H+ ion) andstrong base ( contained OH ) were 100% ionized in water and they were allstrong electrolytes. affairPart A. Investigating solid NaOH for use as a possible primary standard First o...