E 10.0 pH D 5.0 В A 1 What type of titration does this curve represent? a) weak acid (monoprotic) by strong base b) weak acid (diprotic) by strong base c) weak acid (triprotic) by strong base d) weak base (dibasic) by strong acid e) strong acid (diprotic) by strong base b. If point B has a pH of 1.85, and point D has a pH of 7.19, what is the concentration of the major pH-determining species present at point C? (Assume the 5% rule holds.) a) 1.41 x 102 M b) 3.02 x 10 M c) 6.46 x 108 M d) 6.21 x 1010 M

Chemistry: The Molecular Science
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Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
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E
10.0
pH
5.0
В
A
1
What type of titration does this curve represent?
а.
a) weak acid (monoprotic) by strong base
b) weak acid (diprotic) by strong base
c) weak acid (triprotic) by strong base
d) weak base (dibasic) by strong acid
e) strong acid (diprotic) by strong base
b. If point B has a pH of 1.85, and point D has a pH of 7.19, what is the
concentration of the major pH-determining species present at point C? (Assume
the 5% rule holds.)
a) 1.41 x 102 M
b) 3.02 x 10 M
c) 6.46 x 108 M d) 6.21 x 1010 M
Transcribed Image Text:E 10.0 pH 5.0 В A 1 What type of titration does this curve represent? а. a) weak acid (monoprotic) by strong base b) weak acid (diprotic) by strong base c) weak acid (triprotic) by strong base d) weak base (dibasic) by strong acid e) strong acid (diprotic) by strong base b. If point B has a pH of 1.85, and point D has a pH of 7.19, what is the concentration of the major pH-determining species present at point C? (Assume the 5% rule holds.) a) 1.41 x 102 M b) 3.02 x 10 M c) 6.46 x 108 M d) 6.21 x 1010 M
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