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12 Nov 2019

Determine the pH of the following.

a.) .355 M solution of phenol
b.) a 6.00*10-3 solution of benzoic acid
c.) a solution made by dissolving .333mol of HNO2 in 500mL of h2o
d.) .500 M solution of aniline

For each acid write the conjugate base then determine the Kb for that base.

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14 Jul 2019

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16.105 Benzoic acid $begin inline style left parenthesis text C end text subscript 6 text H end text subscript 5 text COOH end text right parenthesis end style$ and aniline $begin inline style left parenthesis text C end text subscript 6 text H end text subscript 5 text NH end text subscript 2 right parenthesis end style$ are both derivatives of benzene. Benzoic acid is an acid with $K_{a} = 6 .3 \times 10^{- 5}$ and aniline is a base with $K_{a} = 4 .3 \times 10^{- 10} .$

A diagram shows the chemical structure of benzoic acid and aniline.

What are the conjugate base of benzoic acid and the conjugate acid of aniline?
Anilinium chloride $begin inline style left parenthesis text C end text subscript 6 text H end text subscript 5 text NH end text subscript 3 text Cl end text right parenthesis end style$ is a strong electrolyte that dissociates into anilinium ions $(C_{6} H_{5} {NH}_{3}^{+})$ and chloride ions. Which will be more acidic, a $0. back space 10 space M$ solution of benzoic acid or a $0. back space 10 space M$ solution of anilinium chloride?
What is the value of the equilibrium constant for the following equilibrium?

violethyena149

Benzoic acid (C₆H₅COOH) and aniline (C₆H₅NH₂) are both derivatives of benzene. Benzoic acid is an acid with K_a = 6.3 × 10^–5 and aniline is a base with K_a = 4.3 × 10^–10.

(a) What are the conjugate base of benzoic acid and the conjugate acid of aniline? (b) Anilinium chloride (C₆H₅NH₃Cl) is a strong electrolyte that dissociates into anilinium ions (C₆H₅NH₃⁺) and chloride ions. Which will be more acidic, a 0.10 M solution of benzoic acid or a 0.10 M solution of anilinium chloride? (c) What is the value of the equilibrium constant for the following equilibrium?

C₆H₅COOH(aq) + C₆H₅NH₂(aq) C₆H₅COO-(aq) + C₆H₅NH₃⁺(aq)

bronzefly497

A. In the laboratory, a general chemistry student measured the pH of a 0.393 M aqueous solution of triethanolamine, C₆H₁₅O₃N to be10.664. Use the information she obtained to determine the K_b for this base. K_b(experiment) =

B.In the laboratory, a general chemistry student measured the pH of a 0.393 M aqueous solution of ammonia to be 11.438. Use the information she obtained to determine the K_b for this base. K_b(experiment) =

C.The pH of an aqueous solution of 0.393 M phenol (a weak acid) , C6H5OH, is

The hydronium ion concentration of an aqueous solution of 0.393 M formic acid, HCOOH (K_a = 1.80E-4) is

[H₃O⁺] = _____M

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Determine the pH of the following.

a.) .355 M solution of phenol
b.) a 6.00*10-3 solution of benzoic acid
c.) a solution made by dissolving .333mol of HNO2 in 500mL of h2o
d.) .500 M solution of aniline

For each acid write the conjugate base then determine the Kb for that base.

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Determine the pH of the following. a.) .355 M solution of phenol b.) a 6.00*10-3 solution of benzoic acid c.) a solution made by dissolving .333mol of HNO2 in 500mL of h2o d.) .500 M solution of aniline For each acid write the conjugate base then determine the Kb for that base.

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Related textbook solutions

Basic Chemistry

Principles of Chemistry Molecular Approach

Chemistry: Structure and Properties

Principles of Chemistry Molecular Approach

Chemistry: A Molecular Approach

Chemistry: A Molecular Approach

Principles of Chemistry: A Molecular Approach

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Determine the pH of the following.

a.) .355 M solution of phenol
b.) a 6.00*10-3 solution of benzoic acid
c.) a solution made by dissolving .333mol of HNO2 in 500mL of h2o
d.) .500 M solution of aniline

For each acid write the conjugate base then determine the Kb for that base.