Calculate molarity of dissolved oxygen in water.

Chemistry
Tutor: None Selected Time limit: 1 Day

The Henry's Law constant (k) for oxygen gas at 298K is 1.28 x 10^-3 M/atm. Air is 21% oxygen gas. Calculate molarity of dissolved oxygen in water.

May 19th, 2015

hello there welcome to sstudy pool!

you can use fallowing equation to p solve

C=kp

k=1.28*10^-3*p

pv=nRT

p=21/100*8.314*298

p=520.29


so

c=1.28*10^-3*520.29

=0.666M


May 19th, 2015

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May 19th, 2015
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May 19th, 2015
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