PbF2(s), which is slightly soluble in water, is dissolved in water to form a saturated solution in equilibrium with solid PbF2. Which of the following will cause additional PbF2(s) to dissolve?
- Adding HNO3
- Adding Pb(NO3)2
- Adding a seed crystal
- Adding solid PbF2
- Evaporating some of the water to decrease the volume of solution
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