(来学网)取1.0ul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/ml)
  • 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)001mg/L
正确答案:
C
答案解析:
1.0ul苯液重0.88mg,即100ml稀释空气里有0.88mg苯,1L里有8.8mg。