Question

Calculating the mole fraction of CO2 in one litre of soda water sealed under a pressure of

3.5 bar at 298K. KH =1.67 x103 bar​

Answer 1

Answer:

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Henry's Law constant for C...

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Asked on December 20, 2019 by

Aparajita Mohiyuddin

Henry's Law constant for CO

2

in water is 1.67×10

8

Pa at 298 K. Calculate the quantity in 1 L of soda water when packed under 2.5 atm pressure at 298 K.

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ANSWER

We know Henry's Law:

P=K

H

×x

⇒x=

1.6×10

8

2.5×1.013×10

5

⇒

1000/18

n

CO

2

=

1.6×1000

2.5×1.013

⇒n

CO

2

=

16

25

×

18

1.013

⇒ mass of CO

2

dissolved =

16

25

×

18

44×1.013

=3.86 grams.