Chapter 9: Q24P (page 209)

A 0.10 M solution of a base is 2.0% hydrolzed $(α = 0.020)$ Find $K_{b}$

Short Answer

Expert verified

The value of $K_{b} = 4.1 \times 10^{- 5}$ .

Step by step solution

Step : Consider a reaction

Let the given base be B.

The reaction of base B with water is as shown below:

$B + H_{2} O ⇌ {BH}^{+} + {OH}^{-} [B] = 0.1 - x [{BH}^{+}] = [{OH}^{-}] = x)$

Calculation of the value of x

$α = \frac{x}{F} x = α \times F = 0.02 \times 0.1 = 0.002$

Calculate

$\begin{array}{l} K = \frac{x^{3}}{0.1 - x} \\ = \frac{{(0.002)}^{2}}{0.1 - 0.002} \\ = 4.1 \times 10^{- 5} \end{array}$

Hence, the value of K_b is $4.1 \times 10^{5}$ .

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Chemistry Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

A 0.10 M solution of a base is 2.0% hydrolzed $(α = 0.020)$ Find $K_{b}$

Short Answer

Step by step solution

Step : Consider a reaction

Calculation of the value of x

Calculate

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Chemistry Branches

Kinetics

Chemical Analysis

The Earths Atmosphere

Ionic and Molecular Compounds

Study anywhere. Anytime. Across all devices.

A 0.10 M solution of a base is 2.0% hydrolzed (α=0.020)FindKb

Short Answer

Step by step solution

Step : Consider a reaction

Calculation of the value of x

Calculate

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Chemistry Branches

Kinetics

Chemical Analysis

The Earths Atmosphere

Ionic and Molecular Compounds

Study anywhere. Anytime. Across all devices.

A 0.10 M solution of a base is 2.0% hydrolzed $(α = 0.020)$ Find $K_{b}$