Calculate the Number of Moles of Oxygen That Will Dissolve $\omicron$

question 65

Multiple Choice

Calculate the number of moles of oxygen that will dissolve in 45 L of water at 20 ^$\omicron$ C if the partial pressure of oxygen is 0.21 atm .Henry's constant for oxygen is 0.0013 mol.L^-1.atm^-1.

• A) 0.0062 M
• B) 0.0013 M
• C) 0.012 M
• D) 0.00027 M
• E) 0.28

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