How is the concentration of hydroxide ions (OH $^{-}$ ) affected when excess base is dissolved in a solution of __

sodium hydroxide

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water

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salt

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HCL

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Solution

The correct option is A sodium hydroxide
When excess base is dissolved in the solution of sodium hydroxide then the concentration of hydroxide $(O H^{-})$ ions increases.
$O H^{-}$ ions will become more concentrated i.e. they will increase in no.as well.

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Similar questions

How is the concentration of hydroxide ions (OH⁻) affected when excess base is dissolved in a solution of sodium hydroxide?

({OH}^{-})

O H^{-}

O H^{-}

0.05

0.001

O H^{-}

K_{b} (N H_{4} O H) = 1.8 \times 10^{- 5}

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