Напишите пожалуйста 1) 2) 3)
1.n=m/M=7,3/36.5=0.2 моль V=Vm*n=22.4*0.2=4.48л DH2=M/2=36.5/2=18.25 Dв=M/29=36.5/29=1.258 N=n*N(A)=0.2*6.02*10^23=..... 2. n=V/Vm=11.2/22.4=0.5 m=M*n=80*0.5=40 DH2=40 Dв=2.758