Answer:
To decrease the algae
Explanation:
Acid lakes have more algae than other lakes
2.392 hectoliters = 239.2 liters. 1 hectoliter = 100 liters.
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Answer: A volume of 500 mL water is required to prepare 0.1 M 
from 100 ml of 0.5 M solution.
Explanation:
Given: 
= 0.1 M, 
= ?
= 0.5 M, 
= 100 mL
Formula used to calculate the volume of water is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that a volume of 500 mL water is required to prepare 0.1 M from 100 ml of 0.5 M solution.
Calcium iodide (chemical formula <span>CaI2</span>)
