网址:http://m.1010jiajiao.com/timu3_id_1215285[举报]
将4gNaOH固体溶于水配成100mL溶液,该溶液中NaOH的物质的量浓度为
A.0.1mol/L B.0.5mol/L C.1mol/L D. 2mol/L
A.0.1mol/L B.0.5mol/L C.1mol/L D.2mol/L