Question
Asked Feb 12, 2020
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At 0 °C and 1.00 atm, as much as 3 g of O2 can dissolve in 1 L of water. At 0 °C and 1.7 atm, how many grams of O2 dissolve in 1 L of water?

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Expert Answer

Step 1

At 0 °C and 1.00 atm, as much as 3 g of O2 can dissolve in 1 L of water. At 0 °C and 1.7 atm, grams of O2 dissolved in 1 L of water are to be calculated.

Step 2

Henry’s Law:

It states that the quantity of an ideal gas (C) that dissolves in a definite volume of liquid at a constant temperature is directly proportional to the partial pressure of the gas (P).

Chemistry homework question answer, step 2, image 1

Step 3

Now, first determine the value of KH for O2.

 At 0 °C and 1.00 atm, C1 = 3.0 g

P1 = 1.0 atm

Chemistry homework question answer, step 3, image 1

 

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