(来学网)取1μl液态苯用空气稀释100ml,此时苯的浓度是
  • A.
    (来学网)0.088MG/L
  • B.
    (来学网)8.8MG/L
  • C.
    (来学网)0.01MG/L
  • D.
    (来学网)0.88MG/L
  • E.
    (来学网)10MG/L
正确答案:
B
答案解析:
1μl液态苯重0.878 7mg,苯的浓度为:0.878 7mg÷100ml=0.878 7×10/1L=8.8mg/L。