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Will a solute dissolve in a solvent that has been saturated by another solute?
Solute A is highly dissolvable in water at 1 gram per ml
Solute B is slightly dissolvable in water at 10 mg per ml.
If you put enough of Solute B in water so that it is completely saturated, will Solute A dissolve or not when put in the solution?
1 Answer
- hcbiochemLv 74 years agoFavorite Answer
In general in the case you have described, solute A will still dissolve in a solution saturated with B. It might not dissolve to exactly the same extent as it would in pure solvent, but it solubility will probably be only slightly reduced. Now, this assumes that the solutes are not sharing a common ion (things like NaCl and MgCl2). The basic reason behind its slightly reduced solubility has to do with the availability of solvent molecules in the solution saturated with B. There are fewer molecules of free solvent in that solution because some are involved in dissolving B.
Hope that helps...
