minhvuvu9699
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Cho 50 ml dung dich A gom 1 axit cacboxylic don chuc va mot muoi cua no voi kim loai kiem tac dung voi 12 ml dung dich Ba(OH)2 1,25 M. Sau phan ung de trung hoa dung dich can them 3,75g HCl 14,6% sau do co can dung dich thu duoc 5,4325 g muoi khan. Mat khac khi cho 50 ml dung dich A tac dung voi H2SO4 du nung nong thu duoc 0,784 lit hoi axit cacboxylic tren( sau khi lam kho) o 54,6 do C 1,2atm. Xac ding cong thuc muoi axit cacboxylic tren mong do mol cua no