(来学网)取1.0μl苯液体用清洁空气稀释到100ml,此时苯的浓度是多少(苯的密度为0.88g/m)
  • A.
    (来学网)0.088mg/L
  • B.
    (来学网)0.88mg/L
  • C.
    (来学网)8.8mg/L
  • D.
    (来学网)10mg/L
  • E.
    (来学网)0.01mg/L