Unit 13 Review - Reactivity

Which of the following are found in pure water?

• Hydroxide Ions (OH-)

• Hydronium Ions (H+)

• Water Molecules (H2O)

• All of these

What is [H+] concentration of pure water? Hint: You should know the pH of pure water.

• 7.0 M

• 10.7 M

What are the end products in a neutralization reaction?

• salt and water

• just pure water

• just a salt

• none of these

The pH of an acidic solution is:

• exactly 7

• less than 7

• greater than 7

• between 3 and 6

What is the base concentration (OH-) in a solution with a pH of 9.8? Hint: You will use 2 different formulas to get the answer

• -0.62

• -0.99

A sample of lemon juice is found to have a [H+] concentration of .005

What is the pH of the lemon juice?

• 1.8

• 9.6

• 6.8

• 2.3

Give me an example of a neutralization reaction

Which statement is consistent with the Bronsted-Lowry definition of acids?

• Acids are proton donors

• Acids are proton acceptors

• Acids form more H+ than OH- in aqueous solutions

• Acids form more OH- than H+ in aqueous solution

Which statement is consistent with the Bronsted-Lowry definition of bases?

• Bases are proton donors

• Bases are proton acceptors

• Bases form more H+ than OH- in aqueous solution

• Bases form more OH- than H+ in aqueous solution

Determine the pH of a solution of potassium hydroxide (KOH) with a concentration of pOH = 0.0357 M

• 13.96

• 2.59

• 8.45

• 12.55