Bai nay cua truong DHKTruc Ha Noi 2001, Tui lam roi nhung khong gioi han nghiem duoc, moi nguoi lam thu di nha(neu de sai hay thieu moi nguoi bo sung giup):
Hon hop 2 axit huu co X,Y mach ho(X don chuc). Neu lay so mol X bang so mol Y roi lan luot cho X tac dung het voi NaHCO3 va Y tac dung het voi Na2CO3 thi luong CO2 luon bang nhau .
Neu dot chay hoan toan 11,2 gam hon hop A thu duoc 15,4g CO2.Mat khac,trung hoa 8,4g hon hop A can 200 ml dd NaOH 0,75M .
Tim CTPT va CTCT cua X,y biet chung mach thang.
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Cho tui hoi bai nay nghen!
Posted - 12/04/2003 : 17:15:02 
