# Problem: Calculate the pressure of O2 necessary to generate an aqueous solution that is 6.0 x 10‐2 M in O 2 at 25° C. The Henry’s law constant for  O 2 in water at 25°C is 1.3 x 10 ‐3 mole/L•atmA) 7.8 x 10‐5 atmB) 2.1 x 10‐2 atmC) 46 atmD) 1.28 x 104 atmE) none of these

###### FREE Expert Solution
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###### FREE Expert Solution

We’re being asked to determine the partial pressure of O2 at 25 ˚C to produce a solution of 6.0 × 10–2 MRecall that the solubility of a gas is given by Henry’s law:

where Sgas = solubility of the gas (in mol/L or M), kH = Henry’s law constant for the gas, Pgas = partial pressure of the gas.

79% (206 ratings)
###### Problem Details

Calculate the pressure of O2 necessary to generate an aqueous solution that is 6.0 x 10‐2 M in O 2 at 25° C. The Henry’s law constant for  O 2 in water at 25°C is 1.3 x 10 ‐3 mole/L•atm

A) 7.8 x 10‐5 atm
B) 2.1 x 10‐2 atm
C) 46 atm
D) 1.28 x 104 atm
E) none of these

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Henry's Law concept. You can view video lessons to learn Henry's Law. Or if you need more Henry's Law practice, you can also practice Henry's Law practice problems.

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Based on our data, we think this problem is relevant for Professor Becker's class at FIU.