pH and Solubility Quiz Review Game

4 / 14 / 09

Admit Slip

pH is the measurement of ______ ions in a solution.

It can tell us whether a solution is ______ , _______ , or _______ .

Which of the following compounds is soluble? KNO3 or PbOH

Objectives

Students will be able to: Convert between pH, pOH, [H+], and

[OH-] Predict whether an ionic compound will

be soluble or insoluble Distinguish between strong and weak

acids/bases Distinguish between Arrhenius and

Bronsted-Lowry acids/bases

Game Rules

Students will choose a group of up to 4 players.

Students will write all answers down on a piece of paper. No calling out.

The winning group will receive 3 bonus quiz points.

Question 1 – 200 points

Acids taste _______ and have a pH between:

a) 7 and 14b) 10 and 14c) 5 and 8d) 0 and 7

sour

Question 2 – 200 points

Bases feel _______ and have a pH between:

a) 7 and 14b) 10 and 14c) 5 and 8d) 0 and 7

slippery

Question 3 - 200 points

Strong acids have a pH of:

a) 0 to 7b) 4 to 7c) 0 to 4

d) 5 to 8

Question 4 - 200 points

Strong bases have a pH of:

a) 7 to 10b) 10 to 14c) 0 to 14

d) 5 to 8

Question 5 - 200 points

Neutral solutions have a pH of what number?

7

Question 6 - 200 points

A solution with a pH of 5 would be a:

strong acid weak acid strong base weak base neutral

Question 7 - 400 points

In a neutralization reaction, an acid and a base are reacted. What are the two products of a neutralization reaction?

water and a salt

Question 8 - 400 points

The Arrhenius definition of an acid is that it gives off which ion?

H+ hydrogen ion

Question 9 - 400 points

The Arrhenius definition of a base is that it gives off which ion?

OH- hydroxide ion

Question 10 - 400 points

The Bronstead-Lowry definition of an acid says that it is a:

proton acceptor proton donor proton borrower

Question 11 - 400 points

The Bronsted-Lowry definition of a base is that it is a:

proton acceptor proton donor proton borrower

Question 12 - 200 points

What is the pH of a solution with a concentration of H+ ions [H+] of 10-5 M?

5

Question 13 - 200 points

What is the pH of a solution with a concentration of H+ ions [H+] of 0.001 M?

3

Question 14 - 200 points

What is the pH of a solution with a pOH of 9?

5

Question 15 - 200 points

What is the pH of a solution with a [OH-] of 10-4?

10

Question 16 - 200 points

If you have the pH, how do you get the [H+]?

10 * pH 10pH

10 / pH 10-pH

Question 17 - 200 points

What is the [H+] of a solution with a pH of 4?

10-4 M or 0.0001 M

Question 18 - 100 point bonus

How would you find the pH of a solution if the [H+] was 0.0352 M instead of something simple like 0.001 M ?

pH = -log [H+]

you would use the log button on your calculator

Question 19 - 400 points

What is the pH of a solution with a [OH-] of 0.00001 M?

9

Question 20 - 400 points

What is the [H+] of a solution with a pOH of 2?

10-12 M

Question 21 - 400 points

What is the [H+] of a solution with a [OH-] of 10-3 ?

10-11 M

Solubility

Please refer to your solubility table.

Question 22 - 200 points

What types of compounds are very soluble?

hydroxides and oxalates sulfates and carbonates nitrates and alkali metals heavy metals

Question 23 - 200 points

What types of compounds are almost always insoluble?

nitrates and oxalates sulfates and alkali metals nitrates and alkali metals heavy metals

Question 24 - 200 points

A precipitate is:a) A solid that forms within a solutionb) A solid that is insoluble / doesn’t want to

dissolvec) A product of a reactiond) All of the above

Question 25 - 400 points

Which of the following compounds would be soluble?

MgCO3 magnesium carbonate KCl potassium chloride Hg(NO3)2 mercury nitrate

Sr(OH)2 strontium hydroxide

There are two answers!

Question 26 - 400 points

Which of the following compounds would be insoluble?

ZnCl2 zinc chloride LiOH lithium hydroxide NH4NO3 ammonium nitrate

PbCO3 lead carbonate

Question 27 - 200 points

Between HCl and citric acid, which is a strong acid?

HCl, hydrochloric acid

Question 28 - 200 points

If there is equal molarity of HCl and citric acid, which would have the lower, more acidic pH?

HCl, hydrochloric acid

Question 29 - 400 points

What is the difference between a strong acid and a weak acid?

A weak acid dissociates completely and has a lower pH

A strong acid does not dissociate completely and has a lower pH

A weak acid does not dissociate completely and has a higher pH

A strong acid dissociates completely and has a higher pH