In an experiment determine the percentage of organic matter in a soil sample, the following data was collected; weight of over-dried soil before burning = 5...

Assessment: WAEC SSCE - Agricultural Science - 2021 (Objective) Subject: Agricultural Science

Question 1 Report

In an experiment determine the percentage of organic matter in a soil sample, the following data was collected; weight of over-dried soil before burning = 50g
weight of over-dried soil after burning = 28g. Use the information to answer this question.

Calculate the weight of organic matter in the soil

Answer Details
To calculate the weight of organic matter in the soil, we need to find the weight of the portion of the soil that was burned off during the experiment. We can do this by subtracting the weight of the soil after burning from the weight of the soil before burning: Weight of organic matter = Weight of over-dried soil before burning - Weight of over-dried soil after burning Weight of organic matter = 50g - 28g Weight of organic matter = 22g Therefore, the weight of organic matter in the soil is 22g. The answer is.

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