18 Questions
What is the defining characteristic that determines whether an acid is considered strong or weak?
Number of hydrogen atoms in the molecule
Which of the following best describes a strong base?
A base that fully ionizes in water
Which of the following is a characteristic of a weak base?
Partial ionization in water
What is the conjugate base of H2SO4?
HSO4-
In the reaction between HCl and KOH, which of the following represents the net ionic equation?
$H^+(aq) + OH^-(aq) \rightarrow H2O(l)$
Which of the following best describes the strength of an Arrhenius acid?
$H^+$ concentration in the solution
What would be a common mistake when identifying a diprotic acid?
Assuming it has two hydrogens in its formula
When writing the formula equation for an acid-base reaction, which component is usually written first?
Acid
Why can't the concentration of hydronium ions be directly calculated for weak acids like acetic acid?
Not all acetic acid molecules are ionized
Why must the pH of solutions containing weak bases like ammonia be measured experimentally?
Ammonia partially ionizes in solution
What does a pH scale range from 0 to 14 in aqueous solutions?
To cover the full spectrum of acidic and basic solutions
Why does a pH of 7 represent a neutral solution at 25°C?
[H3O+] = [OH-]
In a solution containing 4.5 × 10^-3 M HCl, what would be the H3O+ concentration?
4.5 × 10^-3 M
What is the pH of a Ca(OH)2 solution with a hydroxide ion concentration of 1.0 × 10^-6 M?
~10
Arrange the following solutions in order from lowest to highest pH: 0.10 M HCl, 0.10 M H2SO4, and 0.10 M HF.
[HF], [H2SO4], [HCl]
What was the purpose of Dr. Ken Simmons' experiment on rainbow trout in Whetstone Brook?
To decrease the acidity of the stream
'Cross-Disciplinary Go to go.hrw.com for a full-length article on how buffers maintain the acid-base balance in blood.' What is likely discussed in this article?
The role of buffers in maintaining blood pH
'Critical Thinking' section: PREDICTING OUTCOMES Arrange the following solutions in order from lowest to highest pH: 0.10 M HCl, 0.10 M H2SO4, and 0.10 M HF.' Based on acid strength, how should these be arranged?
[HF], [HCl], [H2SO4]
Test your understanding of Arrhenius's observations that form the basis of a definition of acids, focusing on how Arrhenius acids produce hydronium ions in aqueous solutions. Explore common examples of strong and weak acids.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
