A.溶質(zhì)是非揮發(fā)性 B.溶質(zhì)都是非電解質(zhì) C.溶質(zhì)的質(zhì)量分?jǐn)?shù)相等 D.溶質(zhì)的摩爾濃度相等
A.+5價 B.-3價 C.-2價 D.+3價
A.K2S B.HBr C.NaI D.FeBr2