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A beaker contains 150.0mL of a 0.20M Pb(NO3)2 solution. If 50.0mL of a 0.20M solution of MgCl2 is added to the beaker, what will be the final concentration of Pb2+ ions in the solution?
a. 0.20M
b. 0.10M
c. 0.050M
d. 0.025M
e. 0.012M
a. 0.20M
b. 0.10M
c. 0.050M
d. 0.025M
e. 0.012M