vi hc tao thanh co O nen A co O A bi nhet phan tao Ohoa tri A ko doi nen chi co Al chua td voi O doi
ppe nAldu=nNO=0.04mol
=>nAl2O3=(0.2-0.04)/2=0.08=>nO=0.24mol
vi pu say ra hoan toan nen O ko A ko bi p dc huy nua
vi ko de cap den khi khac nen ko co neu de an toan thi
kt trang voi Agva co the bi nhiet phan tao O nen co Cl
n=Cl=nAgCl=m/M=0.06
nCl:nO=1:4
=>mkl=2.34g
dat Ct tong quat A(ClO4)n
nA=nA(ClO4)n=nCl/n=0.06/n
Mkl=m/n=39n
n=1=>M=39=>K
n=2=>M=78=>Loai
n=3=>M=117=>Loai
=>KClO4