Phương pháp giải Bài tập về Kim loại lưỡng tính

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 X& *,1.F2+u- ,-a  !QFC7 0 ,&- ,-a7  M#W(0' QF%' WU2# Wa< 0<@Z2v ,-w[\ *&:$a WUC# L+V P x+ N  0 Wx0-"!2a*a X&nx0< ",-2yva*a$a0 FF!6*b-:d!I-xB(&*a,.,* kD WUE# WI-_ 0CF()# oQF2#$!,-2Ezza*a B,*D0< oQFC#$!< ,-2Zz2\a*a B,*D {$a*b-*J !I-(,F ({WvZ< 0>7@,-y[*&:$a_ ,c:<  (QF! WU2# LI-0II-q,^0,`!3i$0F:I-0# A. (c+0|} B. (c+0 C. (c+0 D. (c+0 WUC# X:&,-q,^873d !+0 A. ,d8u B. =/(3 C.  D.  WUE# $!d8,Ud0*+1ad~a A. B. C. D. WUz# $!cvz(c 2yz(c !_&07@+h78if37 !7@*i 0 L000I-d!87@() < ",-vEy\a*a B,*DL8d:7@+0 A. 2Cvg B. \Zg C. CZg D. [Zg WUv# ;d!:+0#X•(3!W+@:* d0F-0# A.   B.   C.   D.   WU\# T08,U0đúng*1873d() ,U17# A. ;+q  (<6*1 B. $W!,^J,c17: 06a€,:I - C. ;,U17,%! 7`3 (G8,% D. W7E,! WUy# $!+`,& ()0,U] ,UI-17: 0! ,U17 Wqd*i •,^*i Mq*JJ*i !*4<b WU[# X+*Jd*+!0 $!(/+13!d4(‚(7 J! *+!(/677@ WX+*+1*767@ MJ! *+!(/677@ WUw# ;ss*a ,&0< *+1-"37! 3d*&:*! W3d*&:*!8,1*&:(<0cF M9,F3d*&:*!8,1*&:& WU2Z# $!c<@ 0<@( T^,*&:F1f # #(m2#z #(ƒ2#z W#(m2#v M#(„2#z WU22# Wd8# >bd1a~a0# E z Wv M\ WU2C# <b !1 Lmy Lƒy WL„y MLƒy/L„y…0-b 1!< . Các bài toán về nhôm ảấủảứ 