11.5 pH

Question 1

What is the pH scale?

Answer 1

measures the concentration of the protons in a solution

Question 2

What are the different ranges of the pH scale?

Answer 2

pH < 7 is acidic
pH = 7 is neutral
pH > 7 is basic

Question 3

How can you calculate the pH of a strong acid?

Answer 3

directly from the molarity of the solution

Question 4

How can you calculate the pH of a weak acid?

Answer 4

must use the equilibrium equation