Ka,Kb & Kw

Ka,Kb & Kw

11th - 12th Grade

16 Qs

quiz-placeholder

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Ka,Kb & Kw

Ka,Kb & Kw

Assessment

Quiz

Chemistry

11th - 12th Grade

Hard

NGSS
HS-PS1-6, HS-PS1-3, HS-PS1-1

Standards-aligned

Created by

Beth Bethke

Used 177+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How would you calculate Kb for the formate ion (HCOO), given that the Ka for formic acid (HCOOH) is 1.8 × 10–4? (Kw=1.0 × 10–14)

Kb = Ka × Kw

Kb = Kw / Ka

Kb = Ka / Kw

Kb = Kw + Ka

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The magnitude of Kw indicates that ______________.

water autoionizes very slowly

water autoionizes very quickly

water autoionizes only to a very small extent

the autoionization of water is exothermic

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The equilibrium constant for the reaction

A– + H+ ↔ HA

is called

Ka

Kb

1/Ka

1/Kb

Kw

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A

B

C

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A

B

C

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A

B

C

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A

B

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