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PDF Качественный химический ана | Ba , Sr2 , Ca2 ,(Pb2 )

Ba , Sr2 ,Ca2 ,(Pb2 ). IV. Al3 ,Cr3 , Zn2 , Sn2 , As3 , As5 .

Решите ионные уравнения FeBr3 Na3PO4 NH4Cl Koh Ca...

Хлорид Ba нитрат Ca.

Barium - Wikipedia

Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element.


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