Complex sentence: It is commonly used to replace halide ligands with the weakly-coordinating hexafluorophosphate anion; the abstraction of the halide is driven by the precipitation of the appropriate silver halide.
Split into simpler sentences: It is commonly used to replace halide ligands with the weakly-coordinating hexafluorophosphate anion. The abstraction of the halide is driven by the precipitation of the appropriate silver halide.