0.001mol/L的硝酸铅溶液换算成ppm和mg/kg是多少?
问题描述:
0.001mol/L的硝酸铅溶液换算成ppm和mg/kg是多少?
答
331.23×0.001×1000=331.2ppm(毫克/升)
331.23÷1.00033123=331.1mg/kg