Arrhenius Definition of Acids Quiz

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What is the defining characteristic that determines whether an acid is considered strong or weak?

Number of oxygen atoms in the molecule

Presence of oxygen in the formula

Presence of sulfur in the formula

Number of hydrogen atoms in the molecule (correct)

Which of the following best describes a strong base?

A base that reacts with acids

A base that dissociates partially in water

A base that fully ionizes in water (correct)

A base that does not dissociate completely in water

Which of the following is a characteristic of a weak base?

Complete dissociation in water

Partial ionization in water (correct)

High concentration of hydroxide ions in solution

Low solubility in water

What is the conjugate base of H2SO4?

HSO4- Signup and view all the answers

In the reaction between HCl and KOH, which of the following represents the net ionic equation?

$H^+(aq) + OH^-(aq) \rightarrow H2O(l)$ Signup and view all the answers

Which of the following best describes the strength of an Arrhenius acid?

$H^+$ concentration in the solution Signup and view all the answers

What would be a common mistake when identifying a diprotic acid?

Assuming it has two hydrogens in its formula Signup and view all the answers

When writing the formula equation for an acid-base reaction, which component is usually written first?

Acid Signup and view all the answers

Why can't the concentration of hydronium ions be directly calculated for weak acids like acetic acid?

Not all acetic acid molecules are ionized Signup and view all the answers

Why must the pH of solutions containing weak bases like ammonia be measured experimentally?

Ammonia partially ionizes in solution Signup and view all the answers

What does a pH scale range from 0 to 14 in aqueous solutions?

To cover the full spectrum of acidic and basic solutions Signup and view all the answers

Why does a pH of 7 represent a neutral solution at 25°C?

[H3O+] = [OH-] Signup and view all the answers

In a solution containing 4.5 × 10^-3 M HCl, what would be the H3O+ concentration?

4.5 × 10^-3 M Signup and view all the answers

What is the pH of a Ca(OH)2 solution with a hydroxide ion concentration of 1.0 × 10^-6 M?

~10 Signup and view all the answers

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] Signup and view all the answers

What was the purpose of Dr. Ken Simmons' experiment on rainbow trout in Whetstone Brook?

To decrease the acidity of the stream Signup and view all the answers

'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 Signup and view all the answers

'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] Signup and view all the answers

Arrhenius Definition of Acids Quiz

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