Ответы на вопрос:
C2h2+h2o=ch3cho ch3cho+ag2o=ch3cooh+2ag ch3cooh+naoh=ch3coona+h2o ch3coona+c2h5cl=ch3cooc2h5+nacl не уверен ch3cooc2h5+h2o=ch3cooh+c2h5oh
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