Chemistry, 28.08.2021 14:00 gtsaeg409

Cho quỳ tím vào các dung dịch sau: NH4Cl, Ba(NO3)2, HCOONa, K2SO3, FeCl3, KClO4, NaClO, MgCl2, C6H5ONa, Na2SO4, BaBr2, AlCl3, ZnSO4. Quỳ tím có màu gì? Tại sao?

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Cho quỳ tím vào các dung dịch sau: NH4Cl, Ba(NO3)2, HCOONa, K2SO3, FeCl3, KClO4, NaClO, MgCl2, C6H...

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