农业基础化学分析真题解答
答案是a。
lgK ' zny = lgK zny-LGα(Zn)-LGα(Y)= 16.5-1.5-5.0 = 10.0
pZn '(sp)=(1/2)[lgK ' zny+pC(Zn)]= 0.5×(10.0+2.0)= 6.0
pZn '(EP)= pZn(EP)-LGα(Zn)= 8.5-1.5 = 7.0
δpZn ' = pZn '(EP)-pZn '(sp)= 7.0-6.0 = 1.0
lgK ' zny = lgK zny-LGα(Zn)-LGα(Y)= 16.5-1.5-5.0 = 10.0
pZn '(sp)=(1/2)[lgK ' zny+pC(Zn)]= 0.5×(10.0+2.0)= 6.0
pZn '(EP)= pZn(EP)-LGα(Zn)= 8.5-1.5 = 7.0
δpZn ' = pZn '(EP)-pZn '(sp)= 7.0-6.0 = 1.0