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3 cards from this section. Quick, good the night before a test.
Define mass balance.
Think about how substances enter and leave a system.
What is the purpose of partitioning constants?
Consider how a chemical behaves in water and solid states.
What is the term for the balance of mass in environmental systems?
Consider conservation laws in systems.
True or False: The concentration of a substance in water can exceed its solubility.
Review what solubility means.
A contaminated site has 200 kg of chemical A. If the log Koc is 3.5 and the aqueous solubility is 0.5 mg/L, calculate the mass of A that can dissolve in water and the remaining mass in solids.
Use the solubility as a cap for dissolved mass.
If moisture content in a soil is found to be 0.8, how would that affect the mass balance equations compared to a soil with 0.3 moisture content?
Analyze how the total mass differs between high and low moisture contexts.
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