2.6 Study Guide

Question 1

Definition of Concentration

Answer 1

how much solute is in the amount of solvent. (more solute=more solution, less solute=less solution)

Question 2

Definition of pH

Answer 2

“potential hydrogen”
concentration of [H3O+]

Question 3

Definition of pOH

Answer 3

concentration of [OH-]

Question 4

Definition of hydroxide ion

Answer 4

[OH-]

Question 5

Definition of hydronium ion

Answer 5

[H3O+]

Question 6

Definition of acid

Answer 6

if a substance causes [H3O+]>[OH-]

Question 7

Definition of base

Answer 7

if a substance causes [H3O+]<[OH-]

Question 8

What is the pH, [H3O+], [OH-], when given a pOH of 6

Also find whether it is acid, neutral, or basic

Answer 8

pH: 8
[H3O+]: 110^-8
[OH-]: 110^-6
Acid, Neutral, Basic: BASIC

Question 9

What is the [H3O+], [OH-], pOH when given a pH of 11

Also find whether it is acid, neutral, or basic

Answer 9

pOH: 3
[H3O+]: 110^-11
[OH-]: 110^-3
Acid, Neutral, Basic: BASIC

Question 10

What is the pH, [OH-], pOH when given [H3O+] of 1*10^-2

Also find whether it is acid, neutral, or basic

Answer 10

pH: 2
pOH: 12
[OH-]: 1*10^-12
Acid, Neutral, Basic: ACID

Question 11

What is the pH, [H3O+], pOH when given [OH-] of 1*10^-7

Also find whether it is acid, neutral, or basic

Answer 11

pH: 7
pOH: 7
[H3O+]: 1*10^-7
Acid, Neutral, Basic: NEUTRAL

Question 12

Which is more concentrated,
[H3O+]=10^-1 or [OH-]= 10^-13

Answer 12

10^-1