Answer:
A
Explanation:
Converting thermal energy into electrical energy
Answer;
K+ and NO3- ions
Explanation;
The main ions remaining are K+ and NO3- ions after pbi2 precipitation is complete.
However; There will always be tiny amounts of Pb2+ and I- ions, but most of them are in the solid precipitate.
The two ways to make a saturated solution are 1 reducing the temperature of the solution and Adding more solute.<span> </span>