2.6- Solutions & pH

Question 1

Concentration Definition

Answer 1

the amount of a substance in a defined space

Question 2

pH Definition

Answer 2

a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline

Question 3

pOH

Answer 3

a measure of the hydroxide ion (OH-) concentration of a solution

Question 4

What is the Hydroxide Ion formula

Answer 4

OH -

Question 5

What is the Hydronium Ion formula

Answer 5

H30 +

Question 6

Acid Definition

Answer 6

containing acid or having the properties of an acid; having a pH of less than 7

Question 7

Base Definition

Answer 7

containing acid or having the properties of a base; having a pH of more than 7

Question 8

If the pH of a solution is 7.5 is it acidic, basic, or neutral?

Answer 8

Basic

Question 9

If the pOH of a solution is 8 is it acidic, basic, or neutral?

Answer 9

Acidic

Question 10

If the pH of a solution is is 12 it acidic, basic, or neutral?

Answer 10

Basic

Question 11

If the pOH of a solution is 3 is it acidic, basic, or neutral?

Answer 11

Basic

Question 12

What is the pOH of a solution if the pH is 7?

Answer 12

7

Question 13

What is the [H30+] if the [OH-] is 10^-10

Answer 13

4

Question 14

What is the ph if the [H30+] is 10^-7

Answer 14

7

Question 15

Is a solution Basic, Acidic, or Neutral if the [H3O+] is 10^-6

Answer 15

Acidic

Question 16

Is a solution Basic, Acidic, or Neutral if the [OH-] is 10^-9

Answer 16

Basic