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Geography, 10.10.2019 21:00 Milanchik28
What is the cation exchange capacity (in meq/100 g) of a 200 g soil sample that contains the following amounts of exchangeable cations: 360 mg ca2+, 46 mg na+, 312 mg k+, and 216 mg mg2+?
use the following molar weights: ca2+ = 40.1 g/mol; na+ = 23.0 g/mol; k+ = 39.1 g/mol; mg2+ = 24.3 g/mol.
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What is the cation exchange capacity (in meq/100 g) of a 200 g soil sample that contains the followi...
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