Question

若1体积硫酸恰好与10体积pH=11的氢氧化钠溶液完全反应，则二者物质的量浓度之比应为（    ）                                                                                                    

         A．10:1                          B．5:1                             C．1:1                             D．1:10

Answer 1

B

解析:

2C(H₂SO₄)=C(NaOH)×10moL, C(H₂SO₄): C(NaOH)= 5:1