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Question: The \(pH\) of a \(0.001MNaOH\) will be....

The pHpH of a 0.001MNaOH0.001MNaOH will be.

A

3

B

2

C

11

D

12

Answer

11

Explanation

Solution

0.001 M of NaOHNaOHmeans [OH−]=.001\lbrack OH^{-}\rbrack = .001

=10−3M⇒pOH=3= 10^{- 3}M \Rightarrow pOH = 3

pH+pOH=14⇒pH=14−3=11pH + pOH = 14 \Rightarrow pH = 14 - 3 = 11