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Gay Lussac's Law, Avagadro's Law

The concentra...

Question

The concentration of ${O H}^{-}$ ions in neutral solution is:

1 \times 10^{- 14} g i o n s / l i t r e

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1 \times 10^{14} g i o n s / l i t r e

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1 \times 10^{7} g i o n s / l i t r e

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1 \times 10^{- 7} g i o n s / l i t r e

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Solution

The correct option is B $1 \times 10^{- 7} g i o n s / l i t r e$
In pure water at $25^{o}$ C the concentration of $[H^{+}]$ and the concentration of $[{O H}^{-}]$ are each only $1.0 \times 10^{- 7} M$ .
the concentration of $[H^{+}]$ and $[{O H}^{-}]$ are equal and is described as a neutral solution.

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