Acids and Bases/Equilibrium

Slides:



Advertisements
Similar presentations
Acids, Bases, and Solutions
Advertisements

Aqueous solutions & concepts of pH Chapter I. Ion Product constant - water A.  Acids→ hydronium ions (H 3 O+)  Bases → hydroxide ions (OH-) B.Self.
PH worksheet (#1).
Ways to measure Acidity/Basicity What is pH? What is pOH?
Acids and Bases. Ionization of Water H 2 O + H 2 O H 3 O + + OH - K w = [H 3 O + ][OH - ] = 1.0 
Aim: How to determine if a solution is acidic, basic, or neutral.
Calculating pH and pOH. pH pH = - log [H + ] [H + ] = the hydrogen ion concentration pH: “potential of hydrogen” - A way of expressing the hydrogen ion.
Strength of Acids and Bases. What makes a strong acid or base?  The strength of an acid or base is based on how many acid or base particles break down.
Chemistry Notes: pH Calculations Chemistry
PH Scale Standard: 5d-students know how to use the pH scale to characterize acid and base solutions.
pH scale Logarithmic scale expressing the H + concentration, [H + ]. If the pH changes by a factor of 1, the [H + ] changes by a factor of 10. pH =
Reactions of Acids & Bases Reactions of Acids & Bases.
Modern Chemistry Chapter 15 Acid-Base Titration & pH
PH – A Measure of Acidity and Basicity Logarithm: In mathematics, the logarithm of a number is the exponent to which another fixed value, the base, must.
PH scale & Neutralization Acidic, Basic or Neutral? The answer may just save your life!
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.
Acid-Base Titration & pH Objectives 1.Describe the self-ionization of water 2.Define pH and give the pH of a neutral solution at 25 o C 3.Explain.
pH, Indicators, and Titrations
Acid-Base Notes. Acid- Compound that forms hydrogen ions (H + ) when dissolved in water Base – compounds that forms hydroxide ion (OH - ) when dissolved.
III. Titration (p ) Ch. 16 – Determining pH and Titrations.
DO NOW: What is pH a measure of?. The pH scale pH  pH is the -log of the hydrogen ion concentration  Mathematically it is represented by the equation:
Let’s take a look at water  2H 2 O  H 3 O + + OH -  [H 3 O + ][OH - ]= 1x M 2  [H 3 O + ]= 1x10 -7 M  [OH - ]= 1x10 -7 M  K w = 1x M.
Loose Ends from Bell Work An acidic solution makes the color of pH paper turn ___________________, while a basic solution makes the color of pH paper turn.
1 Acid-Base Titration and pH Chapter Self-Ionization of water Two water molecules produce a hydronium ion and a hydroxide ion by transfer of a proton.
PH. The Ion product constant for water H 2 O (l) + H 2 O (l)  H 3 O + (aq) + OH − (aq) Dissociation of water is an equilibrium, and since liquid water.
PH ( power of hydronium ion). The pH scale is a way of expressing the strength of acids and bases. Instead of using very small numbers, we just use the.
NOTES: 19.2 – Hydrogen Ions & Acidity (pH and pOH)
C. Johannesson Ch. 15 & 16 - Acids & Bases II. pH (p )
Acids & Bases pH. Ionization of Water H 2 O + H 2 O H 3 O + + OH - K w = [H 3 O + ][OH - ] = 1.0  Kw=ionization constant for H2O.
 pH: The negative of the common logarithm of the hydronium ion concentration [H 3 O + ] ◦ pH stands for the French words pouvoir hydrogene, meaning “hydrogen.
A bit more on the pH scale. (molar concentrations of H + and OH - ions) ACIDS BASES Contain greater number of H+ ions than OH- ions pH of (0-6.9)) Contain.
Aim: How to determine if a solution is acidic, basic, or neutral.
Acid-Base Titration and pH l Aqueous Solution and the Concept of pH – Hydronium Ions and Hydroxide Ions – The pH Scale – Calculating Involving pH l Determining.
Power of hydrogen. pH scale logarithmic scale expresses H +1 concentration, [H +1 ] pH = -log[H +1 ]pH = -log[H +1 ] If pH changes by factor of 1, [H.
Acid-Base Titration and pH 1. What ions are associated with acids? Bases? 2.What mathematical operation is the pH scale based on? 3.What is the pH scale?
[H 3 O + ] Aqueous Solutions Brackets means concentration (Molarity) 1x10 -7 M neutral 1x10 -5 M 1x10 -9 M acidic = > [OH - ] acid base M
PH. Ionization of Water  When compounds dissociate/ionize in an aqueous solution, they produce ions - hydronium (H 3 O + ) and hydroxide (OH - )  These.
Acid-Base Titration and pH. Aqueous Solutions and the Concept of pH In the self-ionization of water, two water molecules produce a hydronium ion and a.
Acid-Base Titration & pH
Titration A standard solution is used to determine the concentration of another solution.
Acids, Bases, and pH.
Aim: How to determine if a solution is acidic, basic, or neutral
Acids & Bases III. Titration.
Self Ionization of Water and the pH Scale
Calculating pH SCH3U/4C Ms. richardson.
Neutralization Rxns.
pH and Acid-Base Indicators
Can you calculate for acids and bases?
Calculating Concentration
Review Practice What is the molality of a solution created by adding 58 grams of magnesium hydroxide to 4 liters of water? Answer: 0.25 m Mg(OH)2 What.
Acids and Bases March 8 and 9.
pH Scale Definition of Acids and Bases
Calculating Concentration
A. Acids and Bases The Arrhenius Model
Acid/Base: pH and pOH.
Acids and Bases.
Acids and Bases Bundle 4: Water.
Acids, Bases and pH Part One.
PH Read pp
To learn about two models of acids and bases
Loose Ends from Bell Work
pH Calculations pH = -log[H+] 10-pH = [H+] pOH = -log[OH-]
Acids & Bases III. Titration.
copyright cmassengale
Calculating pH (and pOH)
PH and pOH Acid Neutral Base.
Solutions and pH Chapter 2.
Unit 5- lecture 5 Using the pH scale to characterize acids and bases.
1)What is the pH of a M acid solution? pH = 3
CH 125 L Lab 14.
Presentation transcript:

Acids and Bases/Equilibrium (EXTREMELY IMPORTANT) a. Molarity mol/L b. Molality mol/kg c. Parts per million gsolute/gsolvent x 1000000 d. pH from [H+] -log[H+] e. [H+] from pH 10-pH f. [H+] from [OH-] 1.0 x 10-14/[OH-1]

Acids and Bases/Equilibrium (ALSO EXTREMELY IMPORTANT) 2. What is the pH range of an acid? 0-7 What is the pH range of a base? 7-14 What is neutral? 7 3. The hydrogen ion (hydronium ion) concentration 4. The equivalence point needs to fall within the transition range of the indicator 5. #H+ Macid Vacid = #OH- Mbase Vbase