£¨1£©Mg(OH)2±¥ºÍÈÜÒºµÄpH=10.52£»
+?10.52?3.02?10?11½â£ºÓÉÌâÒâÖªpH=10.52£¬¼´ c?(H)?10
Kw1?10?14?4c?(OH)=??3.31?10c?(H+)3.02?10?11
?Mg(OH)2 = Mg2+ + 2OH- 0.5¡Á3.31¡Á10-4 3.31¡Á10-4
Ksp£¨Mg(OH)2£©=£¨0.5¡Á2.31¡Á10-4£©¡Á(2.31¡Á10-4) 2=1.8¡Á10-11
£¨2£©Ni(OH) 2 ÔÚpH=9.00 ÈÜÒºÖÐs=2.0¡Á10-5 mol/L¡£
-)?10?14?c(OH?10?5+?9??9c(H)?1010½â£ºÓÉÌâÒâÖªpH=9.00£¬¼´ £¬
Ni(OH)2 = Ni 2+ + 2OH-
2.0¡Á10-5 2¡Á2.0¡Á10-5+10-5
Ksp
£¨Ni (OH)2£©=£¨2.0¡Á10-5£©¡Á£¨5¡Á10-5£©2= 5¡Á10-14