na2s+2hcl=2nacl+h2s
n(na2s)=m(na2s)/M(na2s)=5.5/78=0.071моль
n(h2s)=n(na2s)=0.071моль
m(h2s)=n(h2s)*M(na2s)=0.071*34=2.414г
V(h2s)=n(h2s)*Vm=0.071*22.4=1.6л
na2s+2hcl=2nacl+h2s
n(na2s)=m(na2s)/M(na2s)=5.5/78=0.071моль
n(h2s)=n(na2s)=0.071моль
m(h2s)=n(h2s)*M(na2s)=0.071*34=2.414г
V(h2s)=n(h2s)*Vm=0.071*22.4=1.6л