Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9
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Drill: Calculate the pH of 0.10 M H 2 Z in 0.50 M KHZ. K a1 = 2.0 x 10 -5 K a2 = 5.0 x 10 -9 PowerPoint PPT Presentation


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Drill: Calculate the pH of 0.10 M H 2 Z in 0.50 M KHZ. K a1 = 2.0 x 10 -5 K a2 = 5.0 x 10 -9. Hydrolysis Reactions. Hydrolysis. Any reaction in which water is decomposed with all or part of its decomposition portions combining with the products. Hydrolysis.

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Drill: Calculate the pH of 0.10 M H 2 Z in 0.50 M KHZ. K a1 = 2.0 x 10 -5 K a2 = 5.0 x 10 -9

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Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Drill: Calculate the pH of 0.10 M H2Z in 0.50 M KHZ.Ka1 = 2.0 x 10-5 Ka2 = 5.0 x 10-9


Hydrolysis reactions

Hydrolysis Reactions


Hydrolysis

Hydrolysis

Any reaction in which water is decomposed with all or part of its decomposition portions combining with the products


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Hydrolysis

Water is added to decompose something


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Hydrolysis

MX + HOH

HX + MOH


Salts

Salts


Salts1

Salts

  • Ionic compounds that dissolve ~ 100 % in water


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salts of Acids

  • Salts of acids are negative

    (A-)


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salts of Bases

  • Salts of bases are Positive

    (M+ or B+)


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Solutions

  • When salts dissolve, their ions can recombine with water


Salt solutions

Salt Solutions

  • The salts of weak acids can recombine with water producing basic solutions


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Solutions

  • The salts of weak bases can recombine with water producing acidic solutions


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Solutions

  • A- + H2O HA + OH-

  • B+ + H2O H+ + BOH


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Drill: Calculate the salt/acid ratio of a solution of benzoic acid & sodium benzoate at a pH of 5.00.KaHBz = 6.4 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Drill:Calculate the pH of a solution of 0.10 M NH3 in 0.20 NH4Cl.Kb NH3 = 1.8 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt or Hydrolysis Problems


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Problem

  • Calculate the pH of a 0.20 M solution of NaBz

  • Ka = 6.4 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Problem

  • Calculate the pH of a 0.10 M solution of R-NH3Cl

  • Kb = 2.5 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Drill:

Calculate the pH of a 0.18 M solution of KC2H3O2

  • Ka = 1.8 x 10-5


Ap chm hw

AP CHM HW

  • Read: Chapter 14

  • Problems: 43

  • Page: 422


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

CHM II HW

  • Read: Chapter 18

  • Problems: 83

  • Page: 790


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Drill:

Calculate the pH of a 0.16 M solution of KC7H5O2

  • Ka = 6.4 x 10-5


Short test friday

Short Test Friday


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Applications

  • Salts of strong acids & weak bases make acidic solutions


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Applications

  • Salts of strong bases & weak acids make basic solutions


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Salt Applications

  • Salts of strong acids & strong bases make neutral solutions


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Predict Relative pH

  • NaAcMnCl2

  • KNO3NH4Br

  • KHSO4NH4Ac


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Predict Relative pH

  • KAcNaCl

  • KClO2NH4Cl

  • K2SO4NaI


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Anhydrides

  • Compounds without water; that when added to water, form other compounds


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Acid Anhydrides

  • Non-metal oxides that form acids when added to water


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Basic Anhydrides

  • Metal oxides that form bases when added to water


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Predict Relative pH

  • Na2OSO2

  • NO2CO2

  • CaOAl2O3


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

  • Calculate the pH of a solution of 0.30 M KQ.

  • KaHQ = 3.0 x 10-5


Ap chm hw1

AP CHM HW

  • Read: Chapter 14

  • Problems: 35

  • Page: 422


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

CHM II HW

  • Read: Chapter 18

  • Problems: 67 & 75

  • Page: 789-790


Drill calculate the ph of a 0 72 m nh 4 no 3 solution k b nh3 1 8 x 10 5

Drill: Calculate the pH of a 0.72 M NH4NO3 solution.KbNH3 = 1.8 x 10-5


A b eq buffer salt hydrolysis problems

A/B eq, Buffer & Salt Hydrolysis Problems


Ap test

AP Test

  • Thursday


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

11.2 g of KOH was added to 2.0 L of 0.075 M H2CO3. Calculate the molarity of all ions present in the solution.Ka1 = 4.4 x 10-7Ka2 = 4.8 x 10-11


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

You need to make a buffer solution with its greatest buffering capacity at pH ~ 5.4. In general terms, describe what acid or base you would chose, & how you would make the buffer.


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate the pH of 0.10 M HF. Ka HF = 6.5 x 10-4


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate [H3PO4], [H2PO4-1], [HPO4-2], [PO4-3], [K+], [H+], & pH of 1.0 M KH2PO4 in 0.50 M K2HPO4. Ka1 = 7.5 x 10-3Ka2 = 6.2 x 10-8Ka3 = 4.2 x 10-13


Calculate the ph of 0 10 m hf in 0 20 m naf k a hf 6 5 x 10 4

Calculate the pH of 0.10 M HF in 0.20 M NaF. Ka HF = 6.5 x 10-4


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate the pH of 5.0 M KCN. KaHCN= 5.0 x 10-10


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

0.20 M MOHin

0.50 M MCl

Kb = 5.0 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

0.20 M MCl

Kb = 5.0 x 10-5


Drill calculate the ph of 0 20 m kq k a hq 8 0 x 10 5

Drill: Calculate the pH of0.20 M KQ. KaHQ = 8.0 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

1.5 L of 0.25 M Ba(OH)2 was added to 1.0 L of 0.60 M H2SO3. Calculate [H2SO3], [HSO3-], [SO3-2], [H+], [OH-], & pH of the solution.Ka1 = 1.7 x 10-2Ka2 = 6.0 x 10-8


Review of acid base descriptions and acid base buffer salt equilibria

Review of Acid/Base descriptions and Acid/Base, Buffer, & Salt Equilibria


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Arhenius, Bronsted-Lowry, & Lewis Acids & Bases


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Strong Acids

Strong Bases


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Acid rxns

Base rxns


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

A/B Equilibrium Constants

KW, KA, KB, & pH


Calculate ph of

Calculate pH of:

  • 0.025 M HNO3

  • 0.020 M KOH


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 0.20 M HNO2

  • Ka = 2.0 x 10-4


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 3.0 M HZin

  • 2.0 M KZ

  • Ka HZ = 3.0 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 0.20 M KR

  • Ka HR = 2.0 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

150 mL of 0.10 M KOH was added to 100.0 mL of 0.10 M H2CO3. Calculate [H2CO3], [HCO3-], [CO3-2], [H+], [OH-], & pH of the solution.Ka1 = 4.4 x 10-7Ka2 = 4.7 x 10-11


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate [H3A], [H2A-1], [HA-2], [A-3], [K+], [H+],[OH-], & pH of 2.0 M KH2A. Ka1 = 4.0 x 10-3Ka2 = 5.0 x 10-8Ka3 = 2.5 x 10-13


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 2.0 M HQ

  • Ka = 2.0 x 10-6


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 0.60 M HZin

  • 0.90 M KZ

  • Ka HZ = 3.0 x 10-5


Drill calculate the ph of 0 10 m h 2 z in 0 50 m khz k a1 2 0 x 10 5 k a2 5 0 x 10 9

Calculate pH of:

  • 0.20 M KQ

  • Ka HQ = 2.0 x 10-7


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