pbargy9057 pbargy9057
  • 08-04-2024
  • Chemistry
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An anomalous stream sediment sample associated to an unknown catchment area shows the following results for chromium: Cr a (ppm) = 1500, Cr b (ppm) = 17, Cr m (ppm) = 5810, A m (Km²) = 2.4. What is the concentration of chromium in parts per million (ppm) in the unknown catchment area?

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