+4 -1 +2 0
MnO2+4HCL(浓)=Mncl+CL2+2H2O
1mol 1mol 1mol
0.2mol n2=0.2mol n=0.2mol
V氯气=n*Vm=0.2*22.4=4.48L
MnCl2+2AgNO3=2AgCl(沉淀)+Mn(NO3)2
1mol 2mol
0.2mol n3=0.4mol
m氯化银沉淀=0.4*143.5=57.4g
+4 -1 +2 0
MnO2+4HCL(浓)=Mncl+CL2+2H2O
1mol 1mol 1mol
0.2mol n2=0.2mol n=0.2mol
V氯气=n*Vm=0.2*22.4=4.48L
MnCl2+2AgNO3=2AgCl(沉淀)+Mn(NO3)2
1mol 2mol
0.2mol n3=0.4mol
m氯化银沉淀=0.4*143.5=57.4g