A base when dissolved in water yields a solution with a hydroxyl io...

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A base when dissolved in water yields a solution with a hydroxyl ion concentration of \( 0.05 \mathrm{~mol} \mathrm{litre}^{-1} \). The solution is
(a) basic
(b) acidic
(c) neutral
(d) either (b) or (c)
\( \mathrm{W} \)
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