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Author Question: The concentration of calcium ion in 400 ml water is found to be 80 ppm (10 grams of soil; 400 ml ... (Read 27 times)

mydiamond

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on: Sep 3, 2020
The concentration of calcium ion in 400 ml water is found to be 80 ppm (10 grams of soil; 400 ml final solution volume). 60 ppm of aluminum ion is added to the solution. What is total CEC of the soil? (At. wt. of calcium = 40 g/mole; At. wt. of aluminium = 27 g/mole)
◦ 1.87 meq CEC/100 g soil
◦ 4.3 meq CEC/100 g soil
◦ 1.6 meq CEC/100 g soil
◦ 2.8 meq CEC/100 g soil
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Marked as best answer by mydiamond on Sep 3, 2020

kthug

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Reply #1 on: Sep 3, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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mydiamond

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Reply 2 on: Sep 3, 2020
Excellent

carlsona147

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Reply 3 on: Yesterday
Gracias!

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