配制0.5mol/LNaOH溶液50ml需NaOH( )g,配制 0.1mol/LCuSO4溶液500mL,需胆矾(CuSO4·5H2O)( )g,配制0.2mol/LH2SO4溶液500ml,需98%的浓H2SO4(密度1.84g/cm³)( )ml

问题描述:

配制0.5mol/LNaOH溶液50ml需NaOH( )g,配制 0.1mol/LCuSO4溶液500mL,需胆矾(CuSO4·5H2O)( )g,配制0.2mol/LH2SO4溶液500ml,需98%的浓H2SO4(密度1.84g/cm³)( )ml