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Solutions & Solubility

Solutions & Solubility. 8.5 Acid-Base Reactions. Neutralization Reactions. ______ + _____ Salt + Water HBr (aq) + NaOH (aq) +. If ____ was the limiting reagent, would the resulting solution be acidic or basic?

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Solutions & Solubility

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  1. Solutions & Solubility 8.5 Acid-Base Reactions

  2. Neutralization Reactions ______+ _____ Salt + Water HBr(aq) + NaOH(aq) + If ____ was the limiting reagent, would the resulting solution be acidic or basic? If _____ was the limiting reagent, would the resulting solution be acidic or basic? What if there was exactly the right amount of HBr and NaOH?

  3. Neutralization Reactions We have added an exact amount of ______ to a solution of _____so that each reacts completely. We added 17.5mL of a ______ solution with a concentration of 1.0mol/L to the 175mL HBr solution. What is the concentration of the original aqueous HBr?

  4. Neutralization Reactions HBr(aq) + NaOH(aq) CHBr = CNaOH = vHBr = vNaOH = CNaOH = nNaOH vNaOH nHBr =

  5. Neutralization Reaction HBr(aq) + NaOH(aq) NaBr(aq) + H2O(l) We can also write this reaction in a net ionic equation: + And the CHBr as [H+] and CNaOH as [OH-] CHBr = [H+] = CNaOH = [OH-] = What is the pH of the HBr solution?

  6. Neutralization Reactions We have added an exact amount of ______ to a solution of KOHso that each reacts completely. We added 5.7 mL of a HCL solution with a concentration of 1.0mol/L to the 168mL KOH solution. What is the concentration of OH- in the original KOH solution?

  7. Neutralization Reactions HCl(aq) + KOH(aq) KCl(aq) + H2O(l) CHCl = CKOH = vHCl = vKOH = CHCl = nKOH =

  8. Neutralization Reactions –alternate solution ????? For neutralisation… Number of moles of H+ = HCl(aq) + KOH(aq) KCl(aq) + H2O(l)

  9. Acid-Base Titration ________: is a lab procedure involving the ________________________ of a ___________ solution to a _________ volume of an ____________ solution. ________________: is a solution with a _________ and __________ known _________________ Endpoint: ________________________ _________________________________. At this point _______ = _______ Titrant

  10. Acid-Base Titration Procedure • Determine whether your unknown solution is _________or _______. • Choose a standard _________that will __________ your unknown solution. • Choose an _______ that will tell you when the solution has been neutralized. • Fill the buret with your _______ and record the starting volume. • Carefully add titrant to the _______. Record the _______ of titrant in the buret after the solution is neutralized and subtract to determine _______ added. Titrant

  11. Acid-Base Titration Requirements • Fast – chemicals react ___________when mixed • __________– the reaction is >99% complete • ____________– single, whole number mole ratios • ___________– chemicals must react without addition of energy Titrant

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