99摄氏度时,Kw=1.0X10^-12,该温度下,将100ml0.001mol/l的NAOH溶液加水稀释到1L,则溶液
99摄氏度时,Kw=1.0X10^-12,该温度下测得0.1MOL/L Na2A溶液的PH=6
将10ml 10mol/L的硫酸加水稀释到100ml,取稀释液10ml用5mol/L NaOH溶液中和,需要NaOH溶液
用100ml0.3mol/L的HCl溶液和300ml0.25mol/L的H2SO4溶液混合加水稀释到500ml,
1)在0.5mol Na2SO4中含有Na+的数目是? 2)将30ml0. 5mol/L NaOHson溶液加水稀释到5
将30mL0.5mol/L的NaCl溶液加水稀释到500mL,稀释后溶液中NaCl的物质的量浓度为?怎么求?
将30mol 0.5mol/L NaOH溶液剂加水稀释到500ml,稀释后溶液中NaOH的物质的量浓度为多少?
计算溶液的PH值将10mlPH=12的NaOH溶液加水稀释到10L
将30ml 0.5mol/L NaOH溶液加水稀释到500m
用0.1mol/L的NaOH溶液滴定100ml0.1mol/L的HCl时.
将50ml10mol/L的H2so4溶液加水稀释到250ml取稀释10ml用5mol/L的NAOH溶液中和,需要碱液多少
将20ml,0.5mol/L的NaOH溶液加水稀释到500ml,稀释溶液中NaOH的物质的量浓度多少?
将50ml 0.5mol/l naoh溶液加水稀释到5ooml,稀释后溶液中naoh的物质的量的浓度为