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← ScienceWhich mechanism causes increased dissolving of NaCl when ammonia exceeds saturation?
A)Hydrogen bonding complex solvates ions✓
B)Increased polarity overcomes lattice energy
C)Ion-dipole interactions favor solvation
D)Chelation enhances miscibility unexpectedly
💡 Explanation
The ammonia solution forms a stabilized complex between hydrogen atoms of NH3 and chloride, therefore enhanced dissolving occurs because hydrogen bonding reduces attractive forces in the NaCl lattice rather than pure ion-dipole weakening.
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