Indicators and Review Worksheet

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Name: ___________________________________
Period: ______
Acid-Base Review
1. What is a substance that is one color in an acid and another color in a base?
____________________________________________
2. A(n) ____________________ solution is one in which [H+] is greater than [OH–].
3. A(n) ____________________ solution is one in which [H+] is less than [OH–].
4. Match the type of solution with its hydrogen-ion concentration.
_______ acidic
a. less than 1.0 x 10–7M
_______ neutral
b. greater than 1.0 x 10–7M
_______ basic
c. equal to 1.0 x 10–7M
5. The ____________of a solution is the negative logarithm of the hydrogen-ion
concentration.
6. Match the type of solution with its pH.
_______ acidic
a. pH = 7.0
_______ neutral
b. pH > 7.0
_______ basic
c. pH < 7.0
7. A substance that can act as both an acid and a base is said to be _________________
8. In a reaction with HCl, is water an acid or a base?
________________________________________________________________________
9. If a solution has [H+] = 1x10-3M, what is the pH of this solution?
____________________________________________________________________________________________________________
10. What is the pH of a solution which has [H+] = 3.45 x10-10M?
____________________________________________________________________________________________________________
11. What is the pH of a 0.00027 M solution of HNO3?
____________________________________________________________________________________________________________
12. What is the pH of a 0.000034M solution of HBr?
____________________________________________________________________________________________________________
13. How many more times acidic is a solution with a pH of 2 than a pH of 5?
____________________________________________________________________________________________________________
14. What are the reactants and the product common to all neutralization reaction?
_______________________________________________________________________
15. By definition, acid rain is rain with a pH of 5.6 or less. What is the [H+] in acid rain
that has a pH of 5.6? It is tough - try using a scientific calculator! (hint: remember the
opposite operation of a logarithm)
Acid Formula
Ex. HCl
HBr
HNO3
H2SO4
H3PO4
H2Se
Acid Name
Ex. carbonic acid
Hydrofluoric acid
Citric acid
Acetic acid
Hydroiodic acid
Base Formula
Ex. NaOH
Ba(OH)2
LiOH
Mg(OH)2
Base Name
Ex. Sodium
hydroxide
Strontium hydroxide
Name the Acid
Positive Ion
Negative Ion
+
H
Cl-
Acid Name
hydrochloric acid
Write the formula for the Acid
Positive Ion
Negative Ion
+
H
CO32-
Acid Formula
H2CO3
Name the Base
Positive Ion
Negative Ion
Na+
OH-
Base Name
Sodium hydroxide
Write the Formula for the Base
Positive Ion
Negative Ion
Na+
OH-
Base Formula
NaOH
Lithium hydroxide
Potassium
hydroxide
Hydrates
1. What defines a hydrate?
2. How can the water be removed from a hydrous substance? What is the substance
now referred to as?
Name or write the formula for the following examples:
1. barium hydroxide octahydrate
2. nickel(II)chloride hexahydrate
3. FeSO4 • 7H2O
4. MgCl2 • 6H2O
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