... ht (gi thit cỏc phn ng xy hon ton) ? A Cho hn hp cha 0,15 mol K v 0 ,10 mol Al vo nc B Cho hn hp cha 0 ,10 mol Mg v 0 ,10 mol Zn vo dung dch cha 0,5 mol HCl C Cho hn hp cha 0 ,10 mol Cu v 0 ,10 mol ... xenluloz cú lng 48,6(mg) S mt xớch glucozo on mch ú l A.1,626 .102 3 B 1,807 .102 3 C 1,626 .102 0 D 1,807 .102 0 B Theo chng trỡnh nõng cao (10cõu) Cõu 51: Kim loi st cú th dựng lm cht xỳc tỏc cho phn ... 78,99%; 10, 00% v 11,01% Cho rng giỏ tr nguyờn t ca cỏc ng v bng s ca chỳng v s Avogadro bng 6,02 .102 3 S nguyờn t magie cú 20 gam magie bng A 3,01 .102 3 nguyờn t B 4,95 .102 3 nguyờn t C 7,32 .102 3 nguyờn...