来自孙旻的问题
将10ml10mol/L的硫酸加水稀释到100ml,取稀释液10ml用5mol/LNaOH溶液中和,需要NaOH溶液多少毫升(计算
将10ml10mol/L的硫酸加水稀释到100ml,取稀释液10ml用5mol/LNaOH溶液中和,需要NaOH溶液多少毫升(计算
1回答
2020-02-08 12:58
将10ml10mol/L的硫酸加水稀释到100ml,取稀释液10ml用5mol/LNaOH溶液中和,需要NaOH溶液多少毫升(计算
将10ml10mol/L的硫酸加水稀释到100ml,取稀释液10ml用5mol/LNaOH溶液中和,需要NaOH溶液多少毫升(计算
10ml10mol/L的硫酸中,n(H2SO4)=0.010×10=0.1mol
稀释液10ml中,n(H2SO4)=0.1×(10/100)=0.01mol
H2SO4+2NaOH==Na2SO4+2H2O
12
0.015VV=0.004L
需要NaOH溶液4mL