Реакция фенолфталеина на гидроксид натрия
Фенолфталеин приливают к щёлочи NaOH, вследствие чего раствор становится малиновым (в некоторых учебниках - красным).
7 months ago 01:29:20 1
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1 year ago 00:08:32 1
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5 years ago 00:01:29 1
