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A weak acid solution is diluted ten times. What happens? | StemPy Lab
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A weak acid solution is diluted ten times. What happens?
Chemistry
Hard
High School (11–12)
Equilibrium › Ionic Equilibrium: Acids, Bases and pH
Created by
StemPy Lab
A weak acid solution is diluted ten times. What happens?
Its degree of ionisation rises, and
[
H
3
O
+
]
[\text{H}_3\text{O}^+]
[
H
3
O
+
]
falls
Its degree of ionisation falls, and
[
H
3
O
+
]
[\text{H}_3\text{O}^+]
[
H
3
O
+
]
rises
Both its degree of ionisation and
[
H
3
O
+
]
[\text{H}_3\text{O}^+]
[
H
3
O
+
]
rise
Neither changes, because
K
a
K_a
K
a
is fixed
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← Sodium salt NaY dissolves to give the ion Y⁻, which takes protons from water. The parent acid HY ionises with a constant of 2 × 10⁻⁶. Find the base constant of Y⁻.
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Equilibrium › Ionic Equilibrium: Acids, Bases and pH
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