How many milliliters of 0.80 M CuSO4 must be diluted to make 866 milliliters of 0.20 M CuSO4?
Solution: This is a dilution problem.
The equation for dilution is M1V1=M2V2
(0.80M)V1 = (0.20M)(866ml)
V1 = 220ml
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