Предмет: Химия, автор: msdashka0102

у пробірку налийте 1мл розчину натрій гідроксиду (NaOH)та додайте фенолфталеїнів папирець.Відзначте зміну забарвлення. Потім додайте хлоридної кислоти (HCl) до знебарвлення розчину

Ответы

Автор ответа: nadin111155y

Ответ:

NaOH +фенолфталеїн - спостерігаємо малинове забарвлення

NaOH+HCl= NaCl + H2O - зникнення кольору

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