Question

能在溶液中大量共存的離子組是

A．Na⁺、H⁺、Cl^-、CO₃^2-                                           B．Ba²⁺、H⁺、SO₄^2-、NO₃^-

C．Na⁺、K⁺、SO₄^2-、CO₃^2-                                              D．Na⁺、K⁺ 、HCO₃^-、OH^-

Answer 1

C