1. 
Explain the meaning of the terms "strong" and "weak" when applied
to acids and bases. 
2. 
Give illustrations of a strong acid, a strong base, a weak acid and
a weak base. 
3. 
Phosphoric acid is the acitve ingredient in many commerical rustremoving
solutions. Calculate the volume of concentrated phosphoric aicd (14.6
M) that must be diluted to prepare 500 mL of a 1.25 M solution? 
4. 
How did Arrhenius define and acid and a base? 
5. 
Pure HClO_{4} is molecular. Write an equation for its
disoolution in water. 
6. 
What is the difference between a strong electrolyte and a weak electrolyte. 
7. 
If asubstance is a weak electrolyte, what does this mean in terms
of the tendency of the ions to react to form the molecular compound?
How does this compare with strong electrolytes? 
8. 
Nitrous acid, HNO_{2}, is a weak acid. Write an equation
showing its reaction with water. 
9. 
Hydrazine is a toxic substance that can be formed when household
ammonia is mixed with a bleach such as Clorox^{TM}. Its formula
is N_{2}H_{4} and it is a weak base. Write a
chemical equation showing its reaction with water. 
10. 
HClO_{3} is a strong acid. Write an equation for its
reaction with water. 
11. 
Formic acid, HCHO_{2}, is the substance that is responsible
for the painful bites of fire ants. It is a weak electrolyte and reacts
with water in the same manner as acetic acid. Write a chemical equation
that shows its ionization in water. 
12. 
Write the formula for the conjugate bases for each of these acids: 

a) HCl; b) CH_{4}; c) HSO_{3}^{1};
d) H_{2}SO_{4}; e) NH_{3};
f) HClO_{4} 
13. 
Show how each of these acids react with water and forms a conjugate
acidbase pair: 

a) HCl; b) HNO_{3};
c) H_{2}SO_{4}; d) HClO_{4};
e) H_{2}S; f) H_{3}PO_{4} 
14. 
Calculate the molarity of a solution that contains 10 grams of HCl
in 100 mL of solution. 
15. 
A solution contains 0.1 mole of HC_{2}H_{3}O_{2}
dissolved in 0.5 L of solution. Calculate the molarity of the solution. 
16. 
500 mL of a solution contain 0.1 mole of HC_{2}H_{3}O_{2}.
The solution is diluted with water to the 1 L mark. Calculate the molarity
of the resulting solution. 
17. 
A 250 mL solution of H_{2}SO_{4} has a strength of
0.2 M. The solution is diluted with water to the 1 L mark. What is the molarity
of the solution so formed? 
18. 
If 0.3 mole of acetic acid is present in 150 mL of solution, calculate
the molarity of the acid solution. 
19. 
How many moles of acetic acid are required to make 125 ml of a 0.5
M solution. 
20. 
To what volume must 125 mL of a 2 M solution of HCl be diluted
to make the solution 0.05M? 
21. 
What is the concentration of a solution formed by diluting 300 mL
of a solution containing 0.1 mole of HCl to 6 L? 
22. 
Give directions for preparing 2.0 L of 0.250 mol/L HCl using 11.7
M HCl. 
23. 
Give directions for preparing 5.00 L of 0.15 mol/L H_{2}SO_{4}
using 18.0 M H_{2}SO_{4}. 
24. 
What volume of 2.00 mol/L HNO_{3} is needed to yield 10.00
grams of HNO_{3}? 