Bruice - Chimica Organica

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Special Topic I 129
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b.
x
x
y
y
mmol
mL
M
mmol of acetic acid
mmol
mL
M
50
1 00
50
50
1 50
33
=
=
=
=
.
.
.3 1 50
50
0 15
7 5
7 5
mL of M aceticacid
mmol
mL
M
mmol of NaOH
m
.
.
.
.
x
x
=
=
mol
mL
M
mL of M NaOH
y
y
=
=
1 50
5 0 1 50
.
. .
33.3 mL of 1.50 M acetic acid
5.0 mL of 1.50 M NaOH
11.7 mL
50.0 mL
of H2 O
c. x
x
y
y
mmol
mL
M
mmol of sodium acetate
mmol
mL
M
50
1 00
50
50
1 50
=
=
=
=
.
.
33 3 1 50
50
0 85
42 5
. .
.
.
mL of M sodium acetate
mmol
mL
M
mmol o
x
x
=
= f HCl
mmol
mL
M
mL of M HCl
42 5
1 5
28 3 1 5
.
.
. .
y
y
=
=
We cannot make the required buffer with these solutions, because 33.3 mL + 28.3 mL 7 50 mL.