1. Aqueous Reactions and Solution Stoichiometry
Chemistry, The Central Science, 11th edition Theodore L. Brown, H. Eugene LeMay, Jr., Bruce E. Bursten, and Catherine J. Murphy
Chapter 4
Aqueous Reactions and Solution Stoichiometry
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education

2. A homogeneous mixture of two or more substances is called a(n):
solute.
solution.
electrolyte.
mess.

3. A homogeneous mixture of two or more substances is called a(n):
solute.
solution.
electrolyte.
mess.

4. In a can of soda, the major gaseous solute is:
sugar.
carbon dioxide.
water.
air.

5. In a can of soda, the major gaseous solute is:
sugar.
carbon dioxide.
water.
air.

6. Which common beverage conducts electricity?
Evian water
Gatorade
milk
apple juice

7. Which common beverage conducts electricity?
Evian water
Gatorade
milk
apple juice

8. When Fe(NO3)2 dissolves in water, what particles are present in the solution?
Fe+ and (NO3)2–
Fe2+ and 2 NO3–
Fe and 2 NO3
Fe and N2 and 3 O2

9. When Fe(NO3)2 dissolves in water, what particles are present in the solution?
Fe+ and (NO3)2–
Fe2+ and 2 NO3–
Fe and 2 NO3
Fe and N2 and 3 O2

10. Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3 What is the observable evidence that the above reaction occurs?
An explosion.
A gas forms.
The solution boils.
A solid forms.

11. Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3 What is the observable evidence that the above reaction occurs?
An explosion.
A gas forms.
The solution boils.
A solid forms.

12. When an acid and a base react to form a salt and water, the reaction is called a(n):
cancellation.
elimination.
neutralization.
adduct formation.

13. When an acid and a base react to form a salt and water, the reaction is called a(n):
cancellation.
elimination.
neutralization.
adduct formation.

14. Al + H+  Al3+ + H2 When the equation above is correctly balanced, the coefficients are:
1, 2  1, 1
1, 3  1, 2
2, 3  2, 3
2, 6  2, 3

15. Al + H+  Al3+ + H2 When the equation above is correctly balanced, the coefficients are:
1, 2  1, 1
1, 3  1, 2
2, 3  2, 3
2, 6  2, 3

16. When an atom undergoes reduction, it _______ electrons.
gains
loses
retains
balances

17. When an atom undergoes reduction, it _______ electrons.
gains
loses
retains
balances

18. How many milliliters of a 6. 00 M NaCl solution are needed to make 250
How many milliliters of a 6.00 M NaCl solution are needed to make milliliters of a M NaCl solution?
20.8
41.7
500.0
3000.0

19. How many milliliters of a 6. 00 M NaCl solution are needed to make 250
How many milliliters of a 6.00 M NaCl solution are needed to make milliliters of a M NaCl solution?
20.8
41.7
500.0
3000.0

20. Phenolphthalein is an example of a(n) ________ for an acid– base reaction.
buffer
titration
endpoint
indicator

21. Phenolphthalein is an example of a(n) ________ for an acid– base reaction.
buffer
titration
endpoint
indicator