Common Ion Effect Revisited. pH changes due to Common Ion Effect.

Slides:



Advertisements
Similar presentations
Acids and Bases.
Advertisements

Applications of aqueous equilibria Neutralization Common-Ion effect Buffers Titration curves Solubility and K sp.
HCO3-(aq) H+(aq) + CO32-(aq)
AP Chemistry Unit 11 – Additional Equilibrium Topics Lesson 1 – The Common Ion Effect Book Section: 17.1.
Chapter 16: Aqueous Ionic Equilibria Common Ion Effect Buffer Solutions Titrations Solubility Precipitation Complex Ion Equilibria.
Chapter 17: Additional Aspects of Aqueous Equilibria
Slide 1 of 45  Worked Examples Follow:. Slide 2 of 45.
Lecture 183/1/06. What is a buffer? pH of a buffer system What is the pH of a buffer that is 0.12 M lactic acid HC 3 H 5 O 3 and 0.1 M sodium lactate?
Mini review for midterm 2 NB: This does not cover all material!
Buffers: -A buffer solution is that solution that allows solutions to resist large changes in pH upon the addition of limited amounts of acid Or base.
Acid-Base Reactions strong acid + strong base strong acid + weak base weak acid + strong base weak acid + weak base.
The Relationship between K a and K b : For the ionization of the weak acid HA ; HA + H 2 O ↔ H 3 O + + A -, K a = [H 3 O + ] [A - ] [HA] For the ionization.
Titration of a weak acid with a strong base pH calculations 1. Before base addition 2. From first base addition until just before equivalence point 3.
Acid/Base Titrations. Titrations Titration Curve – always calculate equivalent point first Strong Acid/Strong Base Regions that require “different” calculations.
Henderson – hasselbalch equation
Titrations of acids and bases. HA + H 2 O H 3 O + + A -
Salts in Solution Mrs. Coyle. Solutions of Salts -Strong Acids and Strong Bases Produce a neutral solution (pH=7) Example: HCl + NaOH  NaCl + H 2 O Strong.
Titration Calculations Weak Acid and Strong Base.
REACH will present significant challenges to all of us
Lecture 1: Introduction and review –Quiz 1 –Website: –Review of acid/base chemistry –Universal features of.
Chem. 31 – 4/29 Lecture. Announcements Last collected homework (3.1) due today Last quiz today Today’s Lecture –Chapter 9: Polyprotic Acids Dissolution.
Acid/Base Chemistry Part II CHEM 2124 – General Chemistry II Alfred State College Professor Bensley.
Acid-Base Titration and pH Chapter 15 Preview Image Bank Hydronium Ions and Hydroxide Ions Some Strong Acids and Some Weak Acids Concentrations and Kw.
1081. y = 1.0 x M [OH - ] = 1.0 x M 1082.
Titration Curves I. Strong Acid + Strong Base 0.1 M HCl 0.1 M NaOH
Week 21 © Pearson Education Ltd 2009 This document may have been altered from the original Describe what is meant by a buffer solution. State that a buffer.
Common Ion Effect Buffers. Common Ion Effect Sometimes the equilibrium solutions have 2 ions in common For example if I mixed HF & NaF The main reaction.
BUFFERS SUROVIEC SPRING 2014 Chapter I. Buffer Solutions A. Buffer is a solution that resists a change in pH with the addition of small amounts.
Strength of Acids and Bases
TITRATIONS AND PH CURVES AP CHEM CH 15. Review H-H What is the pH of a buffer that is made by dissolving 50.0g of sodium acetate in 500.mL of 0.300M acetic.
Using the ICE method for neutralisation Mols Propanoic acid Mols NaOHMols Propanoate Initial (I) x10 -3 x.108 = Change (C)
Titrations an Example Titration of sodium carbonate with hydrochloric acid Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1.
Which is the stronger acid? 1.HNO 2 2.HNO 3. Which is the stronger base? 1.NO NO 3 -
16.2 Buffers: Solutions That Resist pH Change
Titration A standard solution is used to determine the concentration of another solution.
Buffers and Henderson-Hasselbach Equation
WARM UP What is the pH of a M weak acid (HA) solution that is 8.2% ionized?  
Acids and Bases Bundle 4: Water.
Weak Acid – Strong Base Titration
Buffer Capacity BCH 312 [PRACTICAL].
Acid-Base Titration Titration is a chemical analysis involving the addition of a known concentration of titrant to a known volume but unknown concentration.
Buffers.
Principles of Reactivity: Other Aspects of Aqueous Equilibria
Acids and Bases Bundle 4: Water.
Acids and Bases Bundle 4: Water.
CHEM 121 Chapter 9 Winter 2014.
Quiz 1. What is the equilibrium pH of a M solution of the diprotic 1,5-pentanedioic acid? pKa1 = and pKa2 = Show your work. a b.
Strong and Weak Acids and Bases
Image Bank Chapter 18 Preview
Buffered Solutions - A solution that can resist a change in pH when an acid, H+, or base, OH-, is added.
Types of Acid Base Equilibrium Problems
Calculate the pH of a solution that is 0
Salts neutralization reactions acids bases strong acid+ strong base
Salts neutralization reactions acids bases strong acid+ strong base
Titrations & Buffer solutions
Buffers and Acid/Base Titration
Acids and Bases.
PREPARATION OF BUFFERS
Indicators are weak acids that change color when they become bases.
What’s the end point?.
AP Chem Take out HW to be checked Today: Acid-Base Titrations.
Weak acid – strong base titrations:
Neutralization.
A Different Look At Buffers
Titration Curves I. Strong Acid + Strong Base 0.1 M HCl 0.1 M NaOH
Ch. 15 & 16 - Acids & Bases III. Titration (p )
Buffers in a Nutshell pp
The Common Ion Effect The solubility of a partially soluble salt is decreased when a common ion is added. Consider the equilibrium established when acetic.
Special Conditions for Buffers
Buffers and titrations
Presentation transcript:

Common Ion Effect Revisited

pH changes due to Common Ion Effect

Henderson-Hasselbalch

Finding pH with common ion present

Effect of Common Ion on pH

Buffer Solutions

Buffer Animation

Buffer Problem

Initial (mol) Change (mol) Equilibrium (mol)

Buffer Problem

Finding Buffers of Specific pH

Acid-Base Titrations

Strong Acid-Strong Base Titration

Weak Acid-Strong Base Titration

Initial (mol) 2.5x x Change (mol) -1.00x x10 -3 Equilibrium (mol) 1.50x x10 -3 Buffer System Wooo!!

Weak Acid-Strong Base Titration

Initial (mol) 2.5x x Change (mol) -2.50x x10 -3 Equilibrium (mol) x10 -3

Weak Acid-Strong Base Titration

Initial (mol) 2.5x x Change (mol) -2.50x x10 -3 Equilibrium (mol) 01.00x x10 -3

Weak Acid-Strong Base Titration

Strong Acid-Weak Base Titration

Initial (mol) 2.5x x Change (mol) -2.50x x10 -3 Equilibrium (mol) x10 -3

Strong Acid-Weak Base Titration Initial (mol) Change (mol) -x-x+x+x+x Equilibrium (mol) xxx

Strong Acid-Weak Base Titration

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com. Inc. All rights reserved.