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Chemistry, 02.09.2019 19:10 zitterkoph
The us environmental protection agency (epa) places limits on the quantities of toxic substances that may be discharged into the sewer system. limits have been established for a variety of substances including hexavalent chromium which is limited to 0.50 mg/l .if an industry is discharging hexavalent chromium as potassium dichromate (k2cr2o7), what is the maximum permissible molarity of that substance?
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