单项选择题
A.无法判断B.增大C.不变D.减小
A.1.34×10-5mol/LB.4.24×10-10mol/LC.4.24×10-5mol/LD.1.34×10-10mol/L
A.1.0mol/LCH3COOH-0.1mol/L CH3COONaB.0.1mol/LCH3COOH-1.0mol/L CH3COONaC.1.0mol/LCH3COOH-1.0mol/L CH3COONaD.0.1mol/LCH3COOH-0.1mol/LCH3COONa
A.H2CO3B.CO32-C.Na2CO3D.CO2
微信扫一扫,加关注免费搜题