BIOM 121 1nd Edition Lecture 16 Outline of Last Lecture Practice Problem Outline of Current Lecture Practice Problems Current Lecture Ex Determine the hydronium and hypochlorite ion concentration as well as the pH pOH and percent ionization of a 0 0520 M HOCl solution Ka 6 05x10 10 o Make ice chart o Hydronium 5 6x10 6 o Hypochlorite 052 o pH 5 251 acidic o pOH 8 749 o Percent ionization 01 Ex Which of the following are Bronsted Lowry Bases o NH3 yes o CH3COOH o CH3Cl o OH yes o A Bronsted Lowry Base is a proton acceptor Concept question consider that solid sodium hypochlorite is dissolved in water o How many ions are produced in solution per formula unit 2 o Which of the following ions produced after dissolution is a weak base OH OCl weak base H3O HOCl Na Conjugate of weak acid base will also be weak strong acid base conjugate will also be strong o The process by which hypochlorite ion reacts with water is termed Hydration Hydrolysis answer These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Hydrogenation o The expression for the base dissociation constant for cyanide ion is Kb HCN OH CN answer CN OH HCN HCN H3O CN o What is the value of Kb if the pKa of hydrocyanic acid is 9 206 Kb 0000161
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