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3 cards from this section. Quick, good the night before a test.
What is mass balance?
Think about conservation of mass.
Define partitioning.
Consider how a chemical might divide itself between water and soil.
What does mass balance account for in a system?
Think about the flow of materials.
True or False: Partitioning refers to how a chemical divides itself between different phases.
Recall what happens when a chemical is introduced into a mixture.
A chemical with a partition coefficient of 10 partitions into a system containing 1000 L of water and 500 kg of soil. If the total mass of the chemical added is 200 kg, determine the concentration of the chemical in both water and soil at equilibrium.
Refer to the partitioning equation for determining chemical distribution.
Evaluate the significance of moisture content definitions when calculating mass balance in systems with high variations in wet and dry soil components.
Consider specific scenarios where moisture content would affect your measurements.
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