Q5P Find the activity coefficient of... [FREE SOLUTION]

Chapter 8: Q5P (page 183)

Find the activity coefficient of each ion at the indicated ionic strength:
$(a) {SO}_{4}^{2 -} 鈫� (渭 = 0.01 M) (b) {Sc}^{3 +} 鈫� (渭 = 0.005 M) (c) {Ec}^{3 +} 鈫� (渭 = 0.1 M) (d) {({CH}_{3} {CH}_{2})}_{3} {NH}^{+} 鈫� (渭 = 0.05 M)$

Short Answer

Expert verified

Thus the activity coefficient of each ion with indicated ionic strength is

${SO}_{4}^{2 -} 鈫� (渭 = 0.01 M) 鈬� 0.660 {Sc}^{3 +} 鈫� (渭 = 0.005 M) 鈬� 0.540 {Ec}^{3 +} 鈫� (渭 = 0.1 M) 鈬� 0.180 {({CH}_{3} {CH}_{2})}_{3} {NH}^{+} 鈫� (渭 = 0.05 M) 鈬� 0.830$

Step by step solution

Formula for finding the activity coefficient.

An activity coefficient is a factor used to account for deviations from ideal behavior in a solution.

It is calculated by the formula,

$\log 纬 = - 0.5 脳 z^{2} 脳 \sqrt{渭}$

where, z is the charge of the ions and $渭$ is the ionic strength.

Identifying the Activity coefficient for each ion with its indicated ionic strength.

By using the below table, we can identify the activity coefficient of each ion,

Thus the activity coefficient of each ion with indicated ionic strength is

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91影视

Find the activity coefficient of each ion at the indicated ionic strength:
$(a) {SO}_{4}^{2 -} 鈫� (渭 = 0.01 M) (b) {Sc}^{3 +} 鈫� (渭 = 0.005 M) (c) {Ec}^{3 +} 鈫� (渭 = 0.1 M) (d) {({CH}_{3} {CH}_{2})}_{3} {NH}^{+} 鈫� (渭 = 0.05 M)$

Short Answer

Step by step solution

Formula for finding the activity coefficient.

Identifying the Activity coefficient for each ion with its indicated ionic strength.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Ionic and Molecular Compounds

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91影视

Find the activity coefficient of each ion at the indicated ionic strength:(a)SO42-鈫�(渭=0.01M)(b)Sc3+鈫�(渭=0.005M)(c)Ec3+鈫�(渭=0.1M)(d)(CH3CH2)3NH+鈫�(渭=0.05M)

Short Answer

Step by step solution

Formula for finding the activity coefficient.

Identifying the Activity coefficient for each ion with its indicated ionic strength.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Ionic and Molecular Compounds

Chemical Analysis

Chemistry Branches

Kinetics

Nuclear Chemistry

Study anywhere. Anytime. Across all devices.

Find the activity coefficient of each ion at the indicated ionic strength:
$(a) {SO}_{4}^{2 -} 鈫� (渭 = 0.01 M) (b) {Sc}^{3 +} 鈫� (渭 = 0.005 M) (c) {Ec}^{3 +} 鈫� (渭 = 0.1 M) (d) {({CH}_{3} {CH}_{2})}_{3} {NH}^{+} 鈫� (渭 = 0.05 M)$