Chemistry, 20.10.2021 06:10 alecnewman2002

Chỉ được dùng quỳ tím hãy nêu cách phân biệt từng dung dịch bị mất nhãn sau: Dd Na2SO4, dd BaCl2, dd NaOH và dd H2SO4 ( viết PTHH nếu có )

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Chỉ được dùng quỳ tím hãy nêu cách phân biệt từng dung dịch bị mất nhãn sau: Dd Na2SO4, dd BaCl2, dd...

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