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Question

pH of 108N NaOH is?
  1. 6.0
  2. 8.0
  3. 6.98
  4. 7.04

A
7.04
B
8.0
C
6.0
D
6.98
Solution
Verified by Toppr

[NaOH]=108M

[OH]=1×108M

Here, [OH] of water in this dilute solution should be added.

[OH]Total =1×107MH2O approx.+1×108MNaOH =11×108M

pOH=log[OH]=8log11=81.04=6.96

pH=14pOH=146.96=7.04.

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