1.已知 _(10)^theta (ZnS)=2.5times (10)^-22 ,_(i1)^theta ((H)_(2)S)=1.07times (10)^-7 , _(i)^theta ((H)_(2)S)=1.26times (10)^-13-|||-,欲使0.050mol的zns在1.0L的HO1中恰好全部溶解,则该-|||-Ha浓度 (molcdot (L)^-1) 应为:-|||-A 0.24-|||-B 0.14-|||-C 0.37

(7)已知 _(sp)^theta ((Ag)_(2)(Cr{O)_(4)}^-)=1.1times (10)^-12 _(sp)^theta (pbcr(O)

选题-|||-下列硫化物既可溶于强酸,也可溶于弱酸的是-|||-()-|||-A ((K)_(SP)^theta =2.5times (10)^-13)-|||

选题-|||-下列硫化物既可溶于强酸,也可溶于弱酸的是-|||-)-|||-A ((K)_(sp)^theta =2.5times (10)^-13)-|||-

_(1)+({k)_(2)}^2=({k)_(3)}^theta -|||-D. _(1)times ({k)_(2)}^theta =({k)_(3)}^th

8.已知 ((O)_(2)/OH)=0.401V, ^theta ((S)(S))=-0.48V _(sp)^theta ((Ag)_(2)S)=-|||-.3

_(sp)^theta (Fe((OH))_(3))=2.8times (10)^-39

5.22在100℃下,下列反应的 ^theta =8.1times (10)^-9 (Delta )_(r)({S)_(m)}^theta =125.6Jcdo

_(a)^theta ([ Ag{(CN))_(2)] }^-=40times (10)^21 ,AgI式量 234.8)

19.已知 (BaS(O)_(4))=1.07times (10)^-10 , (BaC(O)_(3))=2.58times (10)^-9 ,在1LNa2 C

_(1)^theta +(K)_(2)^theta C. _(1)^theta /({K)_(2)}^theta D. _(2)/(K)_(1)^theta