Strenths of acid and bases(H.W4)

An acid that does not break apart completely.
Range from 4-7 on the pH scale.

• Strong Acid
• Strong Base
• Weak Acid
• Weak Base

A strong base in a water solution

• is a weak electrolyte

• produces many H⁺ ions

• will not dissolve

• completely dissociates into ions.

Which of the following statements is correct about the weak base, ammonia (NH₃)?

• It dissociates completely in water to produce a high concentration of hydroxide ions.

• It dissociates partially in water to produce a low concentration of hydrogen ions.

• It dissociates partially in water to produce a high concentration of hydroxide ions.

• It dissociates partially in water to produce a low concentration of hydroxide ions.

There are 2 types of acids and bases

• Strong and weak

• Strong and basic

• Sour and bitter

• Light and blue

Based on the four given equations, select the strong acids.

• HA (aq)

• H₂B (aq)

• H₂C (aq)

• H₃D (aq)

Select the true statements based on this equation.

• NH₄OH dissolves in water to produce many OH^- ions.

• NH₄OH dissolves in water to produce little OH^- ions.

• NH₄OH is a weak base.

• NH₄OH is a weak acid.

A(n) _____ is a substance that produces hydrogen ions in solution.

• base

• acid

• indicator

• salt

What type of arrow is used to express a strong acid?

• -->

• <--

• <---->

• none of these

What type of arrow is used to express a weak base?

• -->

• <--

• <---->

• none of these

Strong acids will have a

• Low concentration of hydronium ions

• High concentration of hydronium ions

• High concentration of hydroxide ions

• Low concentration of hydroxide ions