问题
选择题
That woman is _______ English teacher. _______ name is Kate Green.[ ]
A. they; Her
B. their; His
C. they; She
D. their; Her
答案
答案：D
搜题请搜索小程序“爱下问搜题”
That woman is _______ English teacher. _______ name is Kate Green.[ ]
A. they; Her
B. their; His
C. they; She
D. their; Her
答案：D
的盐酸与未知浓度的NaOH溶液以1：2的体积比混合，所得溶液的PH为2。用上述 NaOH溶液与某一元弱酸HA 20.0mL反应，恰好中和时消耗NaOH溶液10.0mL，所得溶液PH为10。求：