Given: Colloid Type CEC cmolc/kg pH= 7 Organic matter 200 Vermiculite 150 Smectite 100 Mica 30 Chlorite 30 Kaolinite 8 Fe/Al oxides +5 Your soil is 2.8% organic matter and 21.2% clay. Of that 21.2% clay, 20% is kaolinite, 20% is vermiculite, 40% is smectite, and 20% is mica. It is 1.7% iron oxide. Your soil is at a pH of 7. What is the total CEC of this soil in cmolc/kg?
Given: Colloid Type CEC cmolc/kg pH= 7 Organic matter 200 Vermiculite 150 Smectite 100 Mica 30 Chlorite 30 Kaolinite 8 Fe/Al oxides +5 Your soil is 2.8% organic matter and 21.2% clay. Of that 21.2% clay, 20% is kaolinite, 20% is vermiculite, 40% is smectite, and 20% is mica. It is 1.7% iron oxide. Your soil is at a pH of 7. What is the total CEC of this soil in cmolc/kg?
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section: Chapter Questions
Problem 4PS
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Given:
| Colloid Type | CEC cmolc/kg pH= 7 |
| Organic matter | 200 |
| Vermiculite | 150 |
| Smectite | 100 |
| Mica | 30 |
| Chlorite | 30 |
| Kaolinite | 8 |
| Fe/Al oxides | +5 |
Your soil is 2.8% organic matter and 21.2% clay. Of that 21.2% clay, 20% is kaolinite, 20% is vermiculite, 40% is smectite, and 20% is mica. It is 1.7% iron oxide. Your soil is at a pH of 7.
What is the total CEC of this soil in cmolc/kg?
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