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Posted by on Tuesday, April 29, 2008 at 3:19pm.

If you have two containers with water, one with water at 25 degrees C and the second with water 75 degrees C, explain in which one would you be able to dissolve less CO2 (a gas)? Explain in which one you would be able to dissolve more NaCl (check the solubility curve)?

  • Chemistry - , Tuesday, April 29, 2008 at 5:32pm

    Most gases are more soluble in cold water than in hot water. CO2 is the carbonation used in soft drinks. Think about that as a way of helping answer the question. For the NaCl part, I suggest you consult the solubility curve. I don't have that.

  • Chemistry - , Tuesday, April 29, 2008 at 5:38pm

    Would the container with 25 C dissolve less CO2?

  • Chemistry - , Tuesday, April 29, 2008 at 5:43pm

    Read my first response, especially the first sentence. It tells you that most gases are more soluble in cold water than in hot water. Which container is hot and which is colder?

  • Chemistry - , Tuesday, April 29, 2008 at 5:50pm

    So, because gases are more soluble in cold water than hot water, the CO2 will dissolve less in the container with 75 C.

  • Chemistry - , Tuesday, April 29, 2008 at 6:20pm

    right.

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