Ответы на вопрос:
c2h6-> c2h5cl-> c4h10-> co2
c2h6+cl2 = c2h5cl+hcl
2 c2h5cl+2nа = c4h0+2 nacl
2 c4h10+13 o2 = 8 co2+10 h2o
Ch3-ch3+cl2-> ch3-ch2-cl+hcl ch3-ch2-cl+2na+cl-ch2-ch3 -> ch3-ch2-ch2-ch3+2nacl 2c4h10+13o2=8co2+10h2o
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