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Use Henry's law to determine the molar solubility of helium at a pressure of 1.3 atm...

Use Henry's law to determine the molar solubility of helium at a pressure of 1.3 atm and 25 ∘C. Henry’s law constant for helium gas in water at 25 ∘C is 3.70⋅10−4M/atm.

I am having trouble figuring out the partical pressure of He is. I know that I use this equation: s=kp

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Pressure of helium, P 1.3atm Henrys law constant (k)for helium gas is 3.70x10 M /atm Use the following equation to calculate

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