Astudent is given two clear solutions. one solution contained lead ions, pb2+ and the other solution contains chloride ions, cl-. when the two solutions are mixed, a clear solution with white powder at the bottom results. what has happen to cause this change?
a) a chemical change has occurred creating a precipitate.
b) a physical change has occurred creating a precipitate.
c) a chemical change has occurred creating a dissociation.
d) a physical change has occurred creating a dissociation.
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Astudent is given two clear solutions. one solution contained lead ions, pb2+ and the other solution...
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