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The mole fraction of helium in a saturated solution at 0°C is 1.2 x 10–6. Find the pressure of helium above the solution. Henry's law constant is 6.8 x 10–6 atm–1

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sebassandin

Answer:

[tex]P=5.67atm[/tex]

Explanation:

Hello there!

In this case, since the Henry's law is shown below:

[tex]P=H/x[/tex]

Whereas x is the mole fraction, H the Henry's constant and P the pressure. In such a way, we plug in the aforementioned first two to obtain the corresponding pressure:

[tex]P=\frac{6.8 x 10^{-6} atm^{-1}}{1.2 x 10^{-6}} \\\\P=5.67atm[/tex]

Regards!

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