填空题:将30mL0.5mol/LNaCl溶液加水稀释到100mL,稀释后溶液中NaCl的物质的量浓度为__________。 题目分类:物理化学综合 题目类型:填空题 查看权限:VIP 题目内容: 将30mL0.5mol/LNaCl溶液加水稀释到100mL,稀释后溶液中NaCl的物质的量浓度为__________。 参考答案: 答案解析:
根据下面资料,回答题 A.No disciplines have seized on professionalism w 根据下面资料,回答题 A.No disciplines have seized on professionalism with as much enthusi 分类:物理化学综合 题型:填空题 查看答案
两个分子问的距离由大于l0-9m逐渐减小直到不能再减小,关于这一过程中,两个分子间分子力的变化情况,下面正确的是( ) 两个分子问的距离由大于l0-9m逐渐减小直到不能再减小,关于这一过程中,两个分子间分子力的变化情况,下面正确的是( )A.引力减小,斥力增加,其合力不断增大 分类:物理化学综合 题型:填空题 查看答案
Which statement is not true according to the passage? Which statement is not true according to the passage? A.U.S.health officials are 分类:物理化学综合 题型:填空题 查看答案
What is one of the precautions that Japan has taken? What is one of the precautions that Japan has taken? A.They make sure that they 分类:物理化学综合 题型:填空题 查看答案