Part A Constants | Periodic Table The Henry\'s law constant is 3.2 x 10-2 mol/ (

Question

Part A Constants | Periodic Table The Henry's law constant is 3.2 x 10-2 mol/ (L. atm). Find the concentration of CO2 in: A can of soda under a CO2 pressure of 2.9 atm at 25 °C Express your answer to two significant figures and include the appropriate units. Concentration = 9.3x10-2 M Submit Previous Answers V Correct Part B A can of soda open to the atmosphere at 25 °C (CO2 is approximately 0.04% by volume in the atmosphere.) Express your answer to two significant figures and include the appropriate units. LP: MÅ 6 + 0 = ? Concentration = mol ation = .089 mol 1.089 Submit Previous Answers Request Answer

Explanation / Answer

Answer

1.3×10-5M

Explanation

mole fraction of CO2 in atmosphere = 0.0004

Partial pressure = mole fraction × Total pressure

Partial pressure of CO2 = 0.0004 × 1atm = 0.0004atm

Henry's law is

C = KH × P

= 3.2×10-2 M/atm × 0.0004atm

= 1.28×10-5M

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