chemistry

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Under an O2(g) pressure of 1.00 atm, 30.9 cm3 of O2(g)at 25C dissolves in 1.00 L H2O at 25C. Assuming that the soln volume remains at 1.00L, what is the Molarity of a saturated O2(aq) soln at 25C when partial pressure O2=1 atm? thank you!

  • chemistry -

    Convert 30.9 cc O2 at 25C to moles. Then M = moles/L.

  • chemistry -

    I did that conversion (22.4 moles O2/L)(0.0309 L)=0.69216 moles O2. then that would be 0.69216 M. However, textbook answer says 1.26 x 10-3 M...i am now confused.

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