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Chemistry
Chemistry
Problem
Using data from the table, deduce the rate expression for the following reaction:
Na
2
S
2
O
3
(
aq
)
+
2
HCl
(
aq
)
→
2
NaCl
(
aq
)
+
S
(
s
)
+
SO
2
(
aq
)
+
H
2
O
(
l
)
\text{Na}_2\text{S}_2\text{O}_3(\text{aq}) + 2\text{HCl}(\text{aq}) \rightarrow 2\text{NaCl}(\text{aq}) + \text{S}(\text{s}) + \text{SO}_2(\text{aq}) + \text{H}_2\text{O}(\text{l})
Na
2
S
2
O
3
(
aq
)
+
2
HCl
(
aq
)
→
2
NaCl
(
aq
)
+
S
(
s
)
+
SO
2
(
aq
)
+
H
2
O
(
l
)
[
Na
2
S
2
O
3
(
aq
)
]
/
mol dm
−
3
[\text{Na}_2\text{S}_2\text{O}_3(\text{aq})] / \text{mol dm}^{-3}
[
Na
2
S
2
O
3
(
aq
)]
/
mol dm
−
3
[
HCl
(
aq
)
]
/
mol dm
−
3
[\text{HCl}(\text{aq})] / \text{mol dm}^{-3}
[
HCl
(
aq
)]
/
mol dm
−
3
Rate
/
mol dm
−
3
s
−
1
\text{Rate} / \text{mol dm}^{-3} \text{s}^{-1}
Rate
/
mol dm
−
3
s
−
1
0.10
0.10
0.040
0.20
0.10
0.080
0.40
0.20
0.160
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