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Name:____________________
1. What is the pit scale?
____________ Date:___________
pH of Solutions WS #2
__ Period:________
the initials “pH” stand for?
3. Why is pure water considered neu
tral on the pit scale?
2.
Wh
at
exa
ctly
do
4. Classify each of the following as
acidic, neutral, or basic. The pH
of each item is listed.
e) soil: 5.5
b) Egg& 7.8
f) milk: 6.4
c) Ammonia: 11.0
g) bleach: 12.0
d) Tap water: 7.2
Ii) lye (NaOH): 14
Tom
a)
atoe
s:
4,2
6. Are the following solutions acidic,
neutral, or basic?
a) [H+] 1 x 10-8 M
e) [OH-I 1 x 10-3 M
b) [H+I = 7,3 x 10-1 M
f [OH-I = lx 10-7 M
c) [H+I 1.0 M
g) [OH-I 0.00001 M
d) [H+] = 1 x 10-5 M
h) [OH-I = 4.9 x 10-6 M
7. Name each of the following acid
s and bases
a)HC1
£NaOH
f NO3
b)H
g)KOH___________
c) H2SO4
h) HC2H3O2________________
d) NH3
i) H3PO4
e) H2CO3
j) Mg(OH)2
8. a) Which of the above is the acid
used in car batteries?
b) Which of the above is stomach acid
?
c) Which of the above “acts upon cop
per”?
d) Which of the above is commonly kno
wn as vinegar?
e) Which of the above is the the acti
ve ingredient in drain opener, a.k.
a. ‘lye’?
Which of the above acids are fou
nd in soda?
g) Which of the above is used as a glas
s cleaner?
9.) Write the balanced equation for
the following neutralization reaction
s:
a) HNO3 (aq) + NaOH (aq)
b) HC1 (aq) + Mg(OH)2 (aq)
c) H3P04 (aq) + LiOH (aq)
10. What is the pH and pOH of a 1.2
x 10 HBr solution?
11. What is the pH and pOH of a 2.34
x 10 NaOH solution?
12. What is the pH and pOH of a solution made by adding water to 15 grams of hydroiothc
acid until the volume of the solution is 2500 mL?
13. What is the pH and pOH of a solution that was made by adding 400 mL of water to 350
mL of 5 0 x 10 M NaOH solution’
14. What is the pH and pOH of a solution with a volume of 5.4 L that contains 15 grams of
hydrochloric acid and 25 grams of nitric acid?
15. A swimming pooi has a volume of one million liters. How many grams of HC1 would id
to be added to that swimming pool to bring the pH down from 7 to 4? (Assume the
volume of the HC1 is negligible)