© University of South Carolina Board of Trustees Chapt. 16 More Acids and Bases Sec. 2 Titration:...

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© University of South Carolina Board of Trustees

Chapt. 16More Acids and Bases

Sec. 2Titration:

Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mLb) 25.00 mLc) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Titration of aStrong Acid with Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mLb) 25.00 mLc) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem

b) 25.00 mLc) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mLc) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mLc) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem

c) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mLd) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mL water + spectators

d) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mL water + spectators pH = 7.0d) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Titration of aStrong Acid with Strong Base

pH = 7.0

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mL water + spectators pH = 7.0d) 75.00 mL

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mL water + spectators pH = 7.0d) 75.00 mL strong base problem

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH after

a) 0.00 mL strong acid problem pH = 0.7b) 25.00 mL strong acid problem pH = 1.1c) 50.00 mL water + spectators pH = 7.0d) 75.00 mL strong base problem pH =12.8

of base are added.

Calculating a Titration Curve:Strong Acid + Strong Base

© University of South Carolina Board of Trustees

Titration of aStrong Acid with Strong Base

excess acid strong acid only

excess base strong base only

© University of South Carolina Board of Trustees

Titration of a Strong Base with Strong Acid

excess acid strong acid only

excess base strong base only

equivalence point

© University of South Carolina Board of Trustees

Student Example

Calculate the pH in the titration of 20.0 mL of 0.150 M NaOH with 0.200 M HCl after 25.00 mL of acid are added.

© University of South Carolina Board of Trustees

Chapt. 16More Acids and Bases

Sec. 4-5Titration:

Weak Acid + Strong Base ( or weak base + strong acid)

© University of South Carolina Board of Trustees

Titration of aWeak Acid with Strong Base

© University of South Carolina Board of Trustees

Titration of aStrong Acid with Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 25.00 mL of 0.200 M acetic acid (Ka = 1.8 x10-5) with 0.500 M NaOH after

a) 0.00 mL b) 5.00 mL c) 10.00 mL d) 15.00 mL

of base are added.

Calculating a Titration Curve:Weak Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 25.00 mL of 0.200 M acetic acid (Ka = 1.8 x10-5) with 0.500 M NaOH after

a) 0.00 mL b) 5.00 mL c) 10.00 mL d) 15.00 mL

of base are added.

Calculating a Titration Curve:Weak Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 25.00 mL of 0.200 M acetic acid (Ka = 1.8 x10-5) with 0.500 M NaOH after

a) 0.00 mL weak acid problem

b) 5.00 mL c) 10.00 mL d) 15.00 mL

of base are added.

Calculating a Titration Curve:Weak Acid + Strong Base

© University of South Carolina Board of Trustees

Calculate the pH in the titration of 25.00 mL of 0.200 M acetic acid (Ka = 1.8 x10-5) with 0.500 M NaOH after

a) 0.00 mL weak acid problem pH = 2.72

b) 5.00 mL c) 10.00 mL d) 15.00 mL

of base are added.

Calculating a Titration Curve:Weak Acid + Strong Base

© University of South Carolina Board of Trustees

Weak Acid Titration Curve

a