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Describe the process by which KBr dissolves in H2O. The electrostatic interactions between the K+ and Br- ions are gradually replaced by electrostatic interactions between the ions and H2O. Both ions become surrounded by a solvation shell of H2O molecules that serves to shield the ions from each other. H2O molecules in the solvation shell around K+ ions are oriented so that the partial ______ charge of the 0 atom of H2O interacts with the---______--charget, of the ion. H2O molecules in the solvation shell around Br- ions are oriented so the partial _____ charges of their H atoms interact with the--Select--charge .1 of the ion.