Question

50ml稀硝酸,稀盐酸的混合物加入100mL.2mol/LNaOH溶液正好中和,另取50ml此混合物加入过量AgNO3溶

Answer 1

HCl>>AgNO3

1 170

n 0.7175

n=0.004mol

HNO3>>NaOH

1 1

x-0.004 0.1*2

x=0.2-0.004=0.196mol

硝酸的物质的量浓度=0.196/(50/1000)=3.92mol/L

盐酸的物质的量浓度=0.004/(50/1000)=0.08mol/L