The volume of a solution at equilibrium

  • #1
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Say that we have a salt solution does the volume of the solution change after when the salt is ionized and equilibrium is achieved ??
 

Answers and Replies

  • #2
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I think what you're asking is whether Vol(salt) + Vol(water) = Vol(solution). The answer is no.

For sodium chloride and water, Vol(solution) < Vol(salt) + Vol(water). For other salts (e.g. lithium iodide) the opposite can occur. This absurdly long paper (it's paywalled, so go to a university library if you want to read it) gives data for the alkali metal halides.
 

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