# Chemistry

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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 -

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 -

Would the container with 25 C dissolve less CO2?

• Chemistry -

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 -

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

• Chemistry -

right.

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