осуществить химическое превращение Ba > Ba(OH)2 > BaCl2 > Ba3(Po4)2 > BaCO3 > Ba(HCO3)2. BaCl2
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Answers & Comments
1. Ba+H2O=BA(OH)2+H2
2. BA(OH)2+HCL=BACL2+H2O
3.BACL2+H3PO4=BA3(PO)4+HCL
4. BA3(PO)4+NA2CO3=BACO3+NA3PO4
5. BACO3+H2O=BA(HCO3)2