If the soil moisture content is 25% and the dry weight of the soil is 200 kg, wh

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Question: If the soil moisture content is 25% and the dry weight of the soil is 200 kg, what is the weight of the water in the soil? (2020)

Options:

Correct Answer: 50 kg

Exam Year: 2020

Solution:

Weight of water = Moisture content × Dry weight = 0.25 × 200 kg = 50 kg.

If the soil moisture content is 25% and the dry weight of the soil is 200 kg, what is the weight of the water in the soil? (2020)

If the soil moisture content is 25% and the dry weight of the soil is 200 kg, what is the weight of the water in the soil? (2020)

Step 1: Understand that the soil moisture content is given as 25%. This means that 25% of the dry weight of the soil is water.
Step 2: Convert the percentage into a decimal for calculation. 25% as a decimal is 0.25.
Step 3: Identify the dry weight of the soil, which is given as 200 kg.
Step 4: Use the formula to find the weight of the water in the soil: Weight of water = Moisture content × Dry weight.
Step 5: Substitute the values into the formula: Weight of water = 0.25 × 200 kg.
Step 6: Calculate the result: 0.25 × 200 kg = 50 kg.
Step 7: Conclude that the weight of the water in the soil is 50 kg.

Soil Moisture Content – The percentage of water present in the soil relative to the dry weight of the soil.
Dry Weight of Soil – The weight of the soil when all moisture has been removed.
Weight Calculation – Using the formula for calculating the weight of water based on moisture content and dry weight.