... axetic C Ancol metylic D Butan 10 + 48 Bit Kb ca CH3COO l 5,71 .10 Vy nng mol H dung dch NaCH3COO 0 ,100 M l : A 0,000M B 0,571 .101 0 M C 0,756 .105 M D 1,323 .109 M 49 Nhn xột no sau õy khụng ... Vietmaths.com 14 45 Nng mol H+ dung dch NaCH3COO 0,1M (Kb ca CH3COO l 5,71 .10- 10) l : A 0,00M B 0,571 .10- 10 M C 0,756 .10- 5 M D 1,323 .10- 9 M 46 Crom khụng phn ng vi H2O iu kin thng : A lp oxit ph bờn ... 0,556 .10- 10 M C 0,746 .10- 5 M D -9 1,34 .10 M 50 Dóy cỏc kim loi no sau õy u cú electron húa tr ? A K, Al, Cr, Cu B Cr, Cu, Sc, Ga C Li, Na, K, Ag D Cr, Cu, Sc, Ag Phn II: dnh cho thớ sinh chng...