REVIEW OF ACID/BASE PROPERTIES AND ELECTROLYTES
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WORD BANK
neutral
I ÿ Chemistry
hydronium
basic
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Hints for the Crossword Puzzle
Across
4. able to act as an acid or base.
6. Bases have a
9.
taste.
solutions contain hydrogen and hydroxide ions.
10. Acids will react with
to produce hydrogen gas.
14. Acids have a
taste.
!7. An acid or a base can be called a(n)
because either can
conduct an electric current.
18. For a weak electrolyte, the light bulb will be
19. the name of the ion commonly found in bases
electrolyte will partially dissociate.
20. A
Down
1o A
electrolyte will completely dissociate.
2. harmful, destructive, caustic
3. the type of solution that has a higher hydrogen ion concentration the hydroxide
ion concentration
4. Fruits and vinegar are examples of
5. Bleach, ammonia, and soap are all examples of
7. Bases feel
8. For a strong electrolyte, the light bulb will be
11. For bases, the pH is
seven.
12. Bases turn litmus paper
13. For acids, the pH is seven.
15. the color of pH paper in an acidic solution
16. the element commonly found in acids
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Chapter 20 and 21 - Acid/Base Test Review
Acid and Base definitions:
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12
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14.
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I. #,ÿid that comptete!y ionizes in ÿaterÿ ÿr)ÿ ÿcÿ ck%
7. Tÿe comÿoundÿoth.er tÿan ÿaterÿ pÿoduced fÿ-om the neutÿ-alizatioÿ of an aciÿ and a base, ÿOÿ¥
9. The pr.ocess used to ÿeutÿa!ize acids anÿ bases to determine the mÿlarity of .an uÿkÿrÿrÿ eoacentÿationÿ .¥¥ÿ-ÿcÿrÿoÿ'x
!@ÿ ÿase that ÿly partially ioÿizes iD ÿ'aterÿ uÿe_6ÿh kÿ%4_.
lÿ. The ÿeaction ÿith ÿn aciÿ and a base to produce a neutra! solutioÿ of salt and ÿater. Oÿk;'ÿ'ÿGLÿ'( ÿDJrÿ"%.
!4. ÿrotoÿ (H+) aÿceptor 6,ÿ.ÿxÿ_-ÿk- -[.Oÿvÿ bÿ#--
Doÿa
2. Hydrogeÿ containing corÿpÿuÿ4, .ÿfÿ ÿlÿ&ÿ ÿ 0-ÿ>ÿ'ÿ
4. Base the completely io:nizeÿ in ÿater. /wnnÿ%oÿ ÿ0ÿSÿ
5, Substance that can be both aÿ aciÿ end a base, 0/ÿhDÿ 6ÿ (ÿ
6, Acid that only partially ioÿizes iÿ water. ÿL ÿOÿk
8, ÿ%pÿother term used ÿoÿ a basic substanceoÿ\ÿ[ÿflÿ.ÿ
!l. The stopping point iÿ a titration ,.ÿben your solstio.n has reÿhed a neutra! pÿ. 6ÿk ÿi ÿ ÿ14. 5ubsteÿeÿe that £ÿoÿuces ON- iÿ solution bOÿ%ÿ
15. Substance that pr0.duces N+ in solutionÿ bÿtÿ
18
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What are the properties of acids?
2. What are the properties of bases?
eA
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3. Label as Acid (A), Base(B) or Salt(S)
a. HCI
b. H3P04
c. HN02
d. LiOH
e. H2SO3
f. H3P
g. Mg(OH)2
h. NaCI
i. KNO3
4. What are the products of the self-ionization reaction of water?
9,ÿÿ
ÿ- O t4-
cÿ__&_ÿ
5. What does Kw stand for?
uÿJÿ-er
6. What is the value of Kw
7. Write the equation for Kw:
19
,
Finish the equations:
pH = -- \ÿ.ÿ ÿ-ÿ-ÿ3
pOH=--toÿ £ Oÿr[~]
pH+pOH= '"
9. What is the range for the pH scale?
10. What is the equation used for a titration?
11. Write a complete and balanced equation for the following acid-base reaction:
a.
b°
H3P04 + Ca(OH)2 --)
HCI + Mg(OH)2 ÿ
12. Calculate the concentration of hydrochloric acid if 125.0mL ofthis acid is neutralized by 60.OraL of 21C)M sodium
hydroxide? __ HCI (aq) + NaOH (aq) -)' ÿ HzO (I) + ÿ NaCI (aq)
''
13. Calculate the concentration of sulfuric acid if 60.OmL of this acid is neutralized by lO.OmL of.!OM potassium
hydroxide? ÿ H2S04 (aq) + ÿ KOH (aq) <-> ÿ K2S04 (aq) + ÿ H20 (I)
14. What is the ÿ of 3.50L of solution that contains 90._&9ÿof sodium chloride?
Jÿ ÿ- ÿ" ÿ--',,ÿL
ÿ-ÿ;-ÿ.
x/
,ÿ,ÿ.ÿ--ÿ ÿ,-,ÿ,k
qO.oÿ
,/
: i,5
.oi
Vÿ ÿ,S-o t._.
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15. How many moles of HCI are present in 0.8 L of a 0.5M HCI solution?
-ÿ
Oo4rnol : rÿ
16. How many milliliters of 16.0 M HÿN03 would be required to prepare750 FnL of a O.S M solution?
17. Complete the chart:
remember Kw = [H+][OH-]
and pH = -log[H+]
Given
Solve for
and
pH + pOH = 14
Acidic, Basic, or Neutral?
(A/B/N)
pH=7
pOH = "7
pOH = 12.5
pH= \,..ÿ
[H+] = 2.6 x 10 -4
[H+] = 1.0 x 10 -ÿ
pH: ÿ°0
[OH-] = 1.0 x 1040ÿ.," : [ÿw';ÿ".,-
[H+]: i,,ÿ,,\Cÿ i,j\
[OH-] = 5.2 x 10-ÿ
[H+] : Iÿ q,- Ib-'-z iv4
[OH-] = !.; b { ÿO--ÿ
[H+] = 9.1 x 10 -13
A
A
G
A
t,J
[OH-I: O, 01\ P'\
10 44 (iol/L)Z
1.00 xÿ [H+] = !.0 X 10 -7
1ÿ%ÿ
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