Напишите уравнения реакций: na--nah--naoh--hcoona--nacl--nahsp4--na2so4--nai--naoh
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Ответы на вопрос:
2na+h2=2nah nah+h2o=naoh+h2 naoh+hcooh=hcoona+h2o 2hcoona+cacl2=(hcoo)2ca+2nacl nacl+h2so4=nahso4+hcl nahso4+naoh=na2so4+h2o na2so4+bai2=baso4+2nai 2nai+2h2o=2naoh+i2+h2
Ch3oh+hbr--> ch3br+h2o 2ch3br+2na--> c2h6+2nabr c2h6+cl2--> c2h5cl+hcl c2h5cl+naoh--> c2h5oh+nacl
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