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Chemistry
Chemistry
Problem
Acetyl salicylic acid, i.e., aspirin ionises in water as :
H
C
9
H
7
O
4
+
H
2
O
⇌
H
3
O
+
+
C
9
H
7
O
4
−
HC_9H_7O_4 + H_2O \rightleftharpoons H_3O^+ + C_9H_7O_4^-
H
C
9
H
7
O
4
+
H
2
O
⇌
H
3
O
+
+
C
9
H
7
O
4
−
K
a
=
2.75
×
10
−
9
K_a = 2.75 \times 10^{-9}
K
a
=
2.75
×
1
0
−
9
If two tablets of aspirin each of 0.32 g is dissolved in water to produce 250 mL solution, calculate
[
H
+
]
[H^+]
[
H
+
]
,
[
O
H
−
]
[OH^-]
[
O
H
−
]
and
[
C
9
H
7
O
4
−
]
[C_9H_7O_4^-]
[
C
9
H
7
O
4
−
]
in solution.
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