Tham khảo
a.BaCl2+2AgNO3→Ba(NO3)3+2AgClb.nAgNO3=300.20%170=617(mol)nAgCl=24143,5=48287(mol)Tacó:nAgNO3(pư)=nAgCl=48287(mol)⇒H=48287617.100=47,39%c.mddsaupu=300+200−24=476(g)nBa(NO3)2=12nAgCl=24287(mol)nAgNO3(dư)=617−48287=9064879(mol)⇒C%Ba(NO3)2=4,59%;C%AgNO3(dư)=6,63%
TK
https://hoc24.vn/cau-hoi/cho-300g-dung-dich-agno3-20-phan-ung-voi-200g-dung-dich-bacl2-thuduoc-ket-tua-loc-say-kho-ket-tua-can-nang-24ga-viet-pthhb-tinh-hieu-suat-cua-pha.3392944860763