将由NaOH、BaCl2、Al2(SO4)3三种固体组成的混合物溶于足量的水中,

将由NaOH、BaCl2、Al2(SO43三种固体组成的混合物溶于足量的水中,充分溶解,向混合溶液中滴加1mol·L-1的稀硫酸,加入稀硫酸的体积与生成沉淀的质量关系如图所示。下列有关判断不正确的是(    )

   A.AB段发生反应的离子方程式为:     

   B.BC段发生反应的离子方程式为:H+ + OH=H2O

   C.D点表示的沉淀的化学式为

   D.E点表示的溶液呈中性

 

答案

D

解析:略

 

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