PPT-Example Problem: Weak Acid

Author : alida-meadow | Published Date : 2017-04-24

Formic acid HCO 2 H was isolated by the destructive distillation of ants Latin for ants formi If a 0100 M solution of formic acid is isolated what is the pH I

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Example Problem: Weak Acid: Transcript

Formic acid HCO 2 H was isolated by the destructive distillation of ants Latin for ants formi If a 0100 M solution of formic acid is isolated what is the pH I C E K a 18x10. Pratt & . Cornely. Chapter . 2. Water. Electrostatic forces. ~2.3 H-bonds/ water molecule. Liquid vs. solid water. Intermolecular Forces. Relative strength of IMF. Permanent dipole. London dispersion forces. HNO. 2. HNO. 3. Which is the stronger base?. N. O. 2. -. N. O. 3. -. Acid-Base Reactions. strong acid + strong base. strong acid + weak base. weak acid + strong base. weak acid + weak base. Extent of Weak Acid-Weak Base Reactions. Sodium hydroxide. Preferred IUPAC . name. Sodium hydroxide. Systematic . name. Sodium . oxidanide. Other . names. Caustic soda. Lye. Graphics Source: Wikipedia. Acid/Base Definitions. Arrhenius Model. Stryer. Short Course. Chapter 2. Water. Polarity. Medium for Brownian motion. Solvent. Intermolecular Forces. Electrostatic: Ionic. Permanent dipole. H-bonding. Van der Walls. Not true categories…. acetic acid, CH. 3. COOH, . pKa. = 4.8. 1.0. 0.8. 0.6. 0.2. 0.4. OH. -. equivalents. pH:. A. H. A. -. H. +. [A. -. ] . : [HA] = 1 : 1000. pH: . 1.8. = . pK. a. –3.0. Titration of a weak acid. acetic acid, CH. Acid-Base chemistry & pH. Recognizing acid/base and conjugate base/acid. Calculation of pH, . pOH. , [H. 3. O. +. ], [OH. -. ]. Calculating pH for solutions of strong acids/base. Ionization constant: . HNO. 2. HNO. 3. Which is the stronger base?. N. O. 2. -. N. O. 3. -. Acid-Base Reactions. strong acid + strong base. strong acid + weak base. weak acid + strong base. weak acid + weak base. Extent of Weak Acid-Weak Base Reactions. acetic acid, CH. 3. COOH, . pKa. = 4.8. 1.0. 0.8. 0.6. 0.2. 0.4. OH. -. equivalents. pH:. A. H. A. -. H. +. [A. -. ] . : [HA] = 1 : 1000. pH: . 1.8. = . pK. a. –3.0. Titration of a weak acid. acetic acid, CH. Sodium hydroxide. Preferred IUPAC . name. Sodium hydroxide. Systematic . name. Sodium . oxidanide. Other . names. Caustic soda. Lye. Graphics Source: Wikipedia. Acid/Base Definitions. Arrhenius Model. Stryer. Short Course. Chapter 2. Water. Polarity. Medium for Brownian motion. Solvent. Intermolecular Forces. Electrostatic: Ionic. Permanent dipole. H-bonding. Van der Walls. Not true categories…. weak conjugate base. A buffer is . resistant to changes in . pH because it can neutralize any strong acid or base added to it. 2A-1 . (of . 14). SOLUTION EQUILIBRIA. A solution contains both HF and F. Defining an Acid. pH Scale. Finding the pH of weak acids and bases. Acid-Base titrations. Choice of indicators for titrations. Buffer solutions. Defining . an acid. Learning Objectives:. Describe a . Define. . acids, bases . in . biosystems. . Predict . charge of molecule @ particular pH based on its . pKa. Interpret. graph of the above . relationship. Calculate. ratio of protonated/. unprotonated. Acid. is defined as a substance which when dissolved in water gives hydrogen ions. (H +) . Examples.. Base is defined as a substance which when dissolved in water gives hydroxyl ions. (OH-) . Examples..

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