Ответ:
KOH --> Cu(OH)₂ --> Fe₂O₃ ---> BaSO₄
Объяснение:
Mr(BaSO₄) = 137+32+16*4 = 393
Mr(KOH) = 39+16+1 = 56
Mr(Fe₂O₃) = 56*2+16*3= 160
Mr(Cu(OH)₂) = 64+16*2+1*2 = 98
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Ответ:
KOH --> Cu(OH)₂ --> Fe₂O₃ ---> BaSO₄
Объяснение:
Mr(BaSO₄) = 137+32+16*4 = 393
Mr(KOH) = 39+16+1 = 56
Mr(Fe₂O₃) = 56*2+16*3= 160
Mr(Cu(OH)₂) = 64+16*2+1*2 = 98