网址:http://m.1010jiajiao.com/timu3_id_347140[举报]
A.12 B.13 C.14 D.15
25℃时,将某强酸和某强碱溶液按1∶10的体积比混合后溶液恰好呈中性,则混合前此强酸与强碱溶液的pH值之和是( )
A.12
B.13
C.14
D.15
A.12 B.13 C.14 D.15