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Answer:
B. Heat the solution, dissolve the solute, and let the solution cool verifying nothing settled out.
Explanation:
To dissolve more solute, the solution has been heated at a high temperature, and the cooling has been observed to verify proper dissolution.
The solubility of the compound has been the ability of the solvent to dissolve the solute molecules. For the solution formation, the intermolecular forces between the solute molecules have been broken in order to sustain the interaction between the solute and the solvent molecules,
The interaction between solute and solvent molecules results in the dissolution of the solute in the solvent.
When Gunther dissolves the 34 grams, of solute, the energy of the solvent molecules has been enough to break the solute interactions and dissolve the solute molecules.
However, in order to dissolve more molecules, the solvent molecules are provided with the energy that has been able to increase the kinetic energy of the solvent for the dissolution of more solute.
The kinetic energy of the solvent has been increased with the increase in the temperature, thereby adding to the more dissolution of the solute.
Thus, to dissolve more solute in the solvent, the solution has been heated at a high temperature, and the cooling has been observed to verify the absence of precipitate thereby proper dissolution.
For more information about the dissolution of solute into solvent, refer to the link:
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