The relationship between the pressure and the volume of the gas at a constant temperature is given by Boyle's law. The volume, of the gas at 170.8 kPa is 126.70 mL.
<h3>What is Boyle's law?</h3>
Boyle's law states the inverse relationship between the pressure and the volume of the gas. The formula for the law can be given by:
Given,
Initial pressure = 165.2 kPa
Initial volume = 131.0 mL
Final pressure = 170.8 kPa
The final volume is calculated as:
165.2 * 131.0 = 170.8 * V
V = 126.70 mL
Therefore, the final volume of the gas is 126.70 mL.
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The answer to this question will be c
Explanation:
The given data is as follows.
Volume of lake = 
= 
Concentration of lake = 5.6 mg/l
Total amount of pollutant present in lake = 
= 
mg
= 
kg
Flow rate of river is 50 
Volume of water in 1 day = 
= 
liter
Concentration of river is calculated as 5.6 mg/l. Total amount of pollutants present in the lake are 
or 
Flow rate of sewage = 
Volume of sewage water in 1 day = 
liter
Concentration of sewage = 300 mg/L
Total amount of pollutants = 
or 
Therefore, total concentration of lake after 1 day = 
= 6.8078 mg/l
= 0.2 per day
= 6.8078
Hence, 
= 
= 
= 1.234 mg/l
Hence, the remaining concentration = (6.8078 - 1.234) mg/l
= 5.6 mg/l
Thus, we can conclude that concentration leaving the lake one day after the pollutant is added is 5.6 mg/l.
