ksymone4775 ksymone4775

26-02-2018
Chemistry

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If the solubility of o2 at 0.370 atm and 25 °c is 15.3 g/100 g h2o, what is the solubility of o2 at a pressure of 2.40 atm and 25 °c?

Respuesta :

superman1987 superman1987

07-03-2018

According to Henry's law:

C = K P when,
C is the solubility of a gas at a constant temperature in a particular solvent.
K is the Henry law constant
p is the pressure of the gas

we have the pressure and the solubility so we will get the K at first:
by substitution:
0.153 = K * 0.37atm
K= 0.4
∴ C when P = 2.4 atm
∴ C = 0.37 * 2.4 atm = 0.888 = 88.8 g/100g H2O

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