A 50g sample of soil (oven dry weight) was leached with excess 1 N NH4OAC. After washing away excess ammonium acetate, it was later found that it can hold 0.072g of NH4 .What is the CEC of this soil in cmolc/kg? Select one: a. 8 cmolc/kg b. 16 cmolc/kg c. 24 cmolc/kg d. 30 cmolc/kg

A 50g sample of soil (oven dry weight) was leached with excess 1 N NH4OAC. After washing away excess ammonium acetate, it was later found that it can hold 0.072g of NH4 .What is the CEC of this soil in cmolc/kg? Select one: a. 8 cmolc/kg b. 16 cmolc/kg c. 24 cmolc/kg d. 30 cmolc/kg

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Soil Compaction Test

Soil compaction is the major area of geotechnical engineering. Soil is composed of multiple pores present on its surface, while the soil is mainly composed of gravel, sand, rocks, etc. The arrangement of these rocks and gravels is such that they build up voids (spaces) between them, which allows spaces for the roots of the plants and crops to spread and absorb the required amount of nutrients. Soil compaction is a major problem primarily caused by human activities, micro-organisms, and other multiple factors.

Question

A 50g sample of soil (oven dry weight) was leached with excess 1 N NH4OAC. After washing away excess
ammonium acetate, it was later found that it can hold 0.072g of NH4 .What is the CEC of this soil in
cmolc/kg?
Select one:
a. 8 cmolc/kg
b. 16 cmolc/kg
c. 24 cmolc/kg
d. 30 cmolc/kg

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