Гидроксиды щелочных металлов натрия и калия Неорганическая химия Видеоурок 25

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=atenNz__dps

NaOH и KOH - как сильные электролиты, полностью диссоциируют, образуя ионы натрия и калия и OH - ионы: • Гидроксид натрия и гидроксид калия очень гигроскопичны - они поглощают воду. При растворении в воде выделяется очень много тепла. Индикатор, например, фенолфталеин, в растворе щелочей окрашивается в розовый цвет. 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