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Chemistry
Chemistry
Problem
At a particular moment, the following concentrations are measured for the reaction
Fe
3
+
(
a
q
)
+
SCN
−
(
a
q
)
⇌
FeSCN
2
+
(
a
q
)
\text{Fe}^{3+}(aq) + \text{SCN}^-(aq) \rightleftharpoons \text{FeSCN}^{2+}(aq)
Fe
3
+
(
a
q
)
+
SCN
−
(
a
q
)
⇌
FeSCN
2
+
(
a
q
)
:
[
Fe
3
+
]
=
0.20
M
[\text{Fe}^{3+}] = 0.20\,\text{M}
[
Fe
3
+
]
=
0.20
M
,
[
SCN
−
]
=
0.10
M
[\text{SCN}^-] = 0.10\,\text{M}
[
SCN
−
]
=
0.10
M
, and
[
FeSCN
2
+
]
=
0.050
M
[\text{FeSCN}^{2+}] = 0.050\,\text{M}
[
FeSCN
2
+
]
=
0.050
M
. Calculate the value of the reaction quotient
Q
c
Q_c
Q
c
at this moment.
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