how is the concentration of hydroxide ions oh affected when excess base is dissolved in a solution of sodium hydroxide ?
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When an excess base is dissolved in a solution of sodium hydroxide. Sodium hydroxide dissociates into OH- ions and when the number of OH- increases then concentration also increases because concentration is the number of OH- ions present per unit volume.
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The concentration of hydroxide ions will increase when excess base is dissolved in a solution of sodium hydroxide because the amount of hydroxide ions per unit volume increases. ... If the base is not soluble in water, the concentration of hydroxide ions remains constant.
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