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pH of a Solution

The pH of a...

Question

The $p H$ of a solution containing $0.1$ $N$ $N a O H$ solution is:

1

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10^{- 1}

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13

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10^{- 13}

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Solution

The correct option is B $13$
$[O H^{-}] = [N a O H] = 0.1 N = 0.1 M$
$p O H$
$= - l o g [O H^{-}]$
$= - l o g 0.1 = 1$
$p H$
$= 14 - p O H$
$= 14 - 1$
$= 13$
The $p H$ of a solution containing $0.1$ $N$ $N a O H$ solution is $13$ .

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