2145mg/m^3的SO2等于多少ppm?
问题描述:
2145mg/m^3的SO2等于多少ppm?
给出计算公式
答
SO2摩尔质量为64g/mol,标准状况下摩尔体积22.4L/mol,1立方米体积中SO2体积为2145/1000/64*22.4=0.75075L,即0.75075/1000*10^6=750.75ppm