Question

даны вещества CH4, C2H6,C3H8, C4H10 найти: массовую долю веществ C и H решение

Answer 1

CH4
w(C)=1*12/16=0.75
w(H)= 1-0.75=0.25
C2H6
w(C)=2*12/30=0.8
w(H)= 1-0.8=0.2
C3H8
w(C)=3*12/44 = 0.818
w(H) = 0.182
C4H10
w(C)=4*12/58=0.828
w(H)=0.172