To prepare 100.0 mL of a 0.100 M copper(II) chloride solution from 0.500 M copper(II) chloride, pipet into a volumetric flask
(A) 10.0 mL of the 0.500 M solution and then add water until the total volume is 100.0 mL.
(B) 20.0 mL of the 0.500 M solution and then add water until the total volume is 100.0 mL.
(C) 20.0 mL of the 0.500 M solution into 80.0 mL of water.
(D) 40.0 mL of the 0.500 M solution into 60.0 mL of water.
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