🤓 Based on our data, we think this question is relevant for Professor Su's class at UCR.
The toxicity of DDT (C14H9Cl5) led to a ban on its use in the United States in 1972. Determinations of DDT concentrations in groundwater samples from Pennsylvania between 1969 and 1971 yielded the following results:
Express these concentrations in millimoles per liter for:
c) Residential After a Storm