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Chapter 14: Problem 25

Give three example solutions that fit each of the following descriptions. a. A strong electrolyte solution that is very acidic. b. A strong electrolyte solution that is slightly acidic. c. A strong electrolyte solution that is very basic. d. A strong electrolyte solution that is slightly basic.

Short Answer

Expert verified
a. A strong electrolyte solution that is very acidic: A 1M solution of Hydrochloric acid (HCl) with a pH close to 0. b. A strong electrolyte solution that is slightly acidic: A 0.001M solution of Hydrochloric acid (HCl) with a pH around 3. c. A strong electrolyte solution that is very basic: A 1M solution of Sodium hydroxide (NaOH) with a pH close to 14. d. A strong electrolyte solution that is slightly basic: A 0.001M solution of Sodium hydroxide (NaOH) with a pH around 11.

Step by step solution

01

Example 1:

A 1M solution of Hydrochloric acid (HCl). This strong acid completely ionizes in water, generating H+ and Cl- ions. As a result, the pH of this solution would be close to 0, making it very acidic. b. A strong electrolyte solution that is slightly acidic:
02

Example 2:

A 0.001M solution of Hydrochloric acid (HCl). The HCl is still a strong acid that ionizes completely in solution; however, its concentration is now lower, which results in a slightly acidic solution. The pH of this solution would be around 3, making it slightly acidic. c. A strong electrolyte solution that is very basic:
03

Example 3:

A 1M solution of Sodium hydroxide (NaOH). NaOH is a strong base that ionizes completely in water, generating OH- and Na+ ions. The pH of this solution would be close to 14, making it very basic. d. A strong electrolyte solution that is slightly basic:
04

Example 4:

A 0.001M solution of Sodium hydroxide (NaOH). Similar to the example above, NaOH is a strong base that ionizes completely in water. However, its concentration is now lower, which results in a slightly basic solution. The pH of this solution would be around 11, making it slightly basic.

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Most popular questions from this chapter

Calculate the percent dissociation for a \(0.22 M\) solution of chlorous acid \(\left(\mathrm{HClO}_{2}, K_{\mathrm{a}}=1.2 \times 10^{-2}\right)\)

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How would you prepare \(1600 \mathrm{~mL}\) of a \(\mathrm{pH}=1.50\) solution using concentrated \((12 M) \mathrm{HCl} ?\)

Calculate the \(\mathrm{pH}\) of a \(0.200 \mathrm{M}\) solution of \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{NHF}\). Hint: \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{NHF}\) is a salt composed of \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{NH}^{+}\) and \(\mathrm{F}^{-}\) ions. The prin- cipal equilibrium in this solution is the best acid reacting with the best base; the reaction for the principal equilibrium is \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{NH}^{+}(a q)+\mathrm{F}^{-}(a q) \rightleftharpoons\) \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{~N}(a q)+\mathrm{HF}(a q) \quad K=8.2 \times 10^{-3}\)

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