... Ag+, CO3 2-, NO 3-, Cl-, SO4 2- dung dch l: A AgNO3, BaCl2, Al2(SO4)3, Na 2CO3 B AgCl, Ba(NO3)2, Al2(SO4)3, Na 2CO3 C AgNO3, BaCl2, Al2 (CO3 )3, Na2SO4 D.Ag 2CO3 , Ba(NO3)2, Al2(SO4)3, NaNO3 + Câu Cho phng ... c dung dch gm: Ba2+, Al3+, Na+, Ag+, CO3 2-, NO 3-, Cl-, SO4 2- dung dch l: A AgNO3, BaCl2, Al2(SO4)3, Na 2CO3 B AgCl, Ba(NO3)2, Al2(SO4)3, Na 2CO3 C AgNO3, BaCl2, Al2 (CO3 )3, Na2SO4 D.Ag 2CO3 , Ba(NO3)2, ... A HSO 4-, NH+4, CO3 2B NH+4, HCO-3, CH3COOC ZnO, Al2O3, HSO-4, NH+4 D HSO-4, NH+4 Cõu 15 Theo nh ngha axit-baz ca Bronstet, cỏc cht v ion no sau õy l baz: A CO3 2-, CH3COOB NH+4, HCO-3, CH3COO4...