w(C)= 90%
Двозд= 4,13
CxHx-?
Mr(CxHx)= 4,13×29 =119,77
w(H) = 100-90 =10
CxHx= 90/12 : 10/1 = 7,5/1 : 10/1 = 3 : 4
Mr(C3H4)=12×3+4=40
n = Mr(CxHx)/Mr(C3H4) = 119,77/40 = 2,99 ≈ 3
ответ: C3H4/×3→C9H12
w(C)= 90%
Двозд= 4,13
CxHx-?
Mr(CxHx)= 4,13×29 =119,77
w(H) = 100-90 =10
CxHx= 90/12 : 10/1 = 7,5/1 : 10/1 = 3 : 4
Mr(C3H4)=12×3+4=40
n = Mr(CxHx)/Mr(C3H4) = 119,77/40 = 2,99 ≈ 3
ответ: C3H4/×3→C9H12