A soil sample taken from agricultural land was weighed. The mass of the soil was found to be 50g. 100ml of water was taken in a measuring cylinder and added into the soil sample. The soil absorbed 8oml of water and the rest was left in the measuring cylinder.

The absorption rate of water by the soil ____ of the water has been absorbed by the soil.

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Detailed Solution

The absorption rate of water by the soil 40% of the water has been absorbed by the soil.
The absorption rate of water by soil can be calculated b y the formula:
Absorption rate = -(V1) initial volume of water
⇒Final volume of water(V2) =

\frac{volume water}{mass of soil} \times 100

⇒

\frac{V 2 - V 1}{mass of soil} \times 100

⇒Given, initial volume of water = 100ml
⇒Final volume of water = 80ml
⇒Mass of the soil taken from agricultural land = 50g
⇒Therefore, percentage absorbed =