написать ионное уравнение:а)Cu(OH)2 H2SO4⇒ б)Fe2O3 HCl⇒ в)BaCO3 HNO3⇒
cu(oh)2+h2so4=cuso4+2h2o
fe2o3+3hcl=fecl3+3h2o
baco3+hno3 =ba(no3)2+h2co3
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cu(oh)2+h2so4=cuso4+2h2o
fe2o3+3hcl=fecl3+3h2o
baco3+hno3 =ba(no3)2+h2co3