算一算吗,0.1L*0.1mol/L*2=0.02mol是硫酸铵中硫酸铵的物质的量,0.2L*0.2mol/L=0.04mol是氯化铵的物质的量,c1=n/v=0.02mol/0.1L=0.2mol/l,c2=n/v=0.04mol/0.2L=0.2mol/L,所以浓度一样