The solubility of co2 in water at 25°c and 1 atm is 0.034 mol/l. what is its solubility under atmospheric conditions? (the partial pressure of co2 in air is 0.0003 atm.) assume that co2 obeys henry’s law.

Hey there!:

Henry law solubility proportional to partial pressure of gas over a solvent  :

for pressure of 1 atm s = 0.034

fro partial pressure of =0 .0003

Therefore :

Solubility = 0.0003 / 1 * 0.034

Solubility = 1.02 * 10⁻⁵ mol/L

Hope this helps!

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2fe + 3h2so4 -> fe2(so4)3 + 3h2

it is necessary to balance equations in order to get the proper amount of reactants as well as products in order not to make a miscalculation.

you cannot change the subscripts as that would change the substance itself. for instance, diatomic elements such as h2 only have the subscript two when a gas. another example would be so4, if you were to change the subscript, the element would no longer be sulfate.

we change the coefficients instead as that only changes the number of molecules rather than the substance itself.

hope this !