1)V(H2SO4)= 67,2 м3
m=nM
n=V/Vm
m=V/Vm*M
m(H2SO4)=67,2/22,4*98=294кг
2)V(N2)=5,6 м3
m=nM=V/Vm*M
N=nNA=V/Vm*NA
m(N2)=5,6/22,4*28=7 кг
N(N2)=5,6/22,4*6*10^23=1,5*10^23
3)V(NaOH)=22,4л
m=nM=V/Vm*M
N=nNA=V/Vm*NA
m(NaOH)=22,4/22,4*40=40г
N(NaOH)=22,4/22,4*6*10^23=6*10^23