#1
2kcl=2k+cl2
n(k)=m(k)/M(k)=11.7/39=0.3моль
n(cl2)=1/2n(k)=1/2*0.3=0.15моль
V(cl2)=n(cl2)*Vm=0.15*22.4=3.36л
#2
agno3+2h2o=4ag+o2+4hno3
n(ag)=m(ag)/M(ag)=2.16/108=0.02моль
n(o2)=1/4n(ag)=1/4*0.02=0.005моль
V(o2)=n(o2)*Vm=0.005*22.4=0.112л
#1
2kcl=2k+cl2
n(k)=m(k)/M(k)=11.7/39=0.3моль
n(cl2)=1/2n(k)=1/2*0.3=0.15моль
V(cl2)=n(cl2)*Vm=0.15*22.4=3.36л
#2
agno3+2h2o=4ag+o2+4hno3
n(ag)=m(ag)/M(ag)=2.16/108=0.02моль
n(o2)=1/4n(ag)=1/4*0.02=0.005моль
V(o2)=n(o2)*Vm=0.005*22.4=0.112л