Asked by Matt
The Henry's law constant for CO2(g) in water at 25 °C is 29.4 bar·M–1. Estimate the concentration of dissolved CO2(g) in a carbonated soft drink pressurized with 1.95 bar of CO2(g).
Answers
Answered by
DrBob222
p = KC
1.85 = 29.4C
Solve for C.
1.85 = 29.4C
Solve for C.
Answered by
Kate
Henry's Law says:
Pressure(gas)=(Henry's Law Constant)(Molarity of the gas)… we are looking for Molarity so we can rewrite the above equation as…
Molarity of the gas=Pressure(gas)/(Henry's Law Constant)
so… M=1.95 bar/29.4 barM-1
the bar units cancel when we divide giving the concentration of the gas in Molarity to be… 0.0663 M
YAY! hope this helps :)
Pressure(gas)=(Henry's Law Constant)(Molarity of the gas)… we are looking for Molarity so we can rewrite the above equation as…
Molarity of the gas=Pressure(gas)/(Henry's Law Constant)
so… M=1.95 bar/29.4 barM-1
the bar units cancel when we divide giving the concentration of the gas in Molarity to be… 0.0663 M
YAY! hope this helps :)
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