10ml 10mol/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
1 2
0.01 5VV=0.004L
需要NaOH溶液4mL