4N NaOH 1.4 Litres?
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2
Answer:
NaOH→Na
+
+OH
−
Strong base completely dissociates, therefore [OH
−
]=
40
0.4
mol/L=10
−2
M
Since,
[OH
−
][H
+
]=10
−14
M
[H
+
]=10
−12
M
pH=−log([H
+
])
pH=12
Explanation:
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