= Key Math Skill: Calculating pH and the Hydronium lon Concentration Learning Goal: The pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale: pH = -log[H3O+] [H3O+] 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. Acidic solution: pH <7 Neutral solution: pH = 7 Basic solution: pH > 7 esc 20 F1 55 @ 9 F2 #3 20 F3 DOD 000 S4 4 F4 Part A What is the pH of an aqueous solution with [H3O+] = 6×10-¹² M? Express the pH numerically using one decimal place. ▶View Available Hint(s) pH = Submit Part B Dr 15. ΑΣΦ Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a pH of 3.120? Express your answer with the appropriate units. ► View Available Hint(s) [H₂O¹] = % 5 LOM μA Value F5 A 6 ķ tv MacBook Air F6 Units 健康 ◄◄ 7 F7 ? ? * ▶11 8 F8 A F9
= Key Math Skill: Calculating pH and the Hydronium lon Concentration Learning Goal: The pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale: pH = -log[H3O+] [H3O+] 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. Acidic solution: pH <7 Neutral solution: pH = 7 Basic solution: pH > 7 esc 20 F1 55 @ 9 F2 #3 20 F3 DOD 000 S4 4 F4 Part A What is the pH of an aqueous solution with [H3O+] = 6×10-¹² M? Express the pH numerically using one decimal place. ▶View Available Hint(s) pH = Submit Part B Dr 15. ΑΣΦ Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a pH of 3.120? Express your answer with the appropriate units. ► View Available Hint(s) [H₂O¹] = % 5 LOM μA Value F5 A 6 ķ tv MacBook Air F6 Units 健康 ◄◄ 7 F7 ? ? * ▶11 8 F8 A F9
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 10RQ: For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen...
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Question
![= Key Math Skill: Calculating pH and the Hydronium lon Concentration
b
Learning Goal:
The pH expresses the molar concentration of hydronium ions in
an aqueous solution on a logarithmic scale:
pH = -log[H3O+]
[H3O+] = 10-PH
As pH decreases, acidity increases. As pH increases, acidity
decreases.
lock
• Acidic solution: pH <7
• Neutral solution: pH = 7
Basic solution: pH > 7
esc
Q
F1
A
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2
WID
en
9
F2
W
S
20
#3
X
F3
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00
DO
D
$
4
DO
C
F4
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Part A
What is the pH of an aqueous solution with [H3O+] = 6x10-12 M?
Express the pH numerically using one decimal place.
▶ View Available Hint(s)
pH =
Submit
Part B
[H₂O¹] =
F
J
%
5
VO
VE
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
What is the molar concentration of H3O+ in a cola that has a pH of 3.120?
Express your answer with the appropriate units.
View Available Hint(s)
V
ΑΣΦ
F5
Value
T
μÅ
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h
^
6
MacBook Air
F6
stv
Y
B
Units
&
7
H
ARE
POLIT
F7
A
U
N
?
P
O
* CO
J
(@)
F8
1
M
9
W
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Transcribed Image Text:= Key Math Skill: Calculating pH and the Hydronium lon Concentration
b
Learning Goal:
The pH expresses the molar concentration of hydronium ions in
an aqueous solution on a logarithmic scale:
pH = -log[H3O+]
[H3O+] = 10-PH
As pH decreases, acidity increases. As pH increases, acidity
decreases.
lock
• Acidic solution: pH <7
• Neutral solution: pH = 7
Basic solution: pH > 7
esc
Q
F1
A
5761
Z
@
2
WID
en
9
F2
W
S
20
#3
X
F3
E
00
DO
D
$
4
DO
C
F4
R
Part A
What is the pH of an aqueous solution with [H3O+] = 6x10-12 M?
Express the pH numerically using one decimal place.
▶ View Available Hint(s)
pH =
Submit
Part B
[H₂O¹] =
F
J
%
5
VO
VE
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
What is the molar concentration of H3O+ in a cola that has a pH of 3.120?
Express your answer with the appropriate units.
View Available Hint(s)
V
ΑΣΦ
F5
Value
T
μÅ
G
h
^
6
MacBook Air
F6
stv
Y
B
Units
&
7
H
ARE
POLIT
F7
A
U
N
?
P
O
* CO
J
(@)
F8
1
M
9
W
K
F9
O
L
0
L
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