What is the concentration in parts per million of DDT in each of the following?
Part 2 of 2
-4
4. x 10"
Note: Reference the SI prefixes table for additional information.
ppm DDT
g in 1.9 kg minnow tissue. Be sure your answer has the correct number of significant figures.
correct significant figure
1.9 kg = 1900 g
PPM DDT = (4 x 10^-4 g / 1900 g) x 1,000,000
PPM DDT = 0.211 ppm
Therefore, the concentration of DDT in 1.9 kg of minnow tissue is 0.211 ppm.