Answer:
1000 mL
Step-by-step explanation:
The final volume is 1000 mL means we need to add more 500 mL into the 500 mL of 1.0 M CuSO4 C u S O 4 solution, so we will get 0.5 M solution of CuSO4 C u S O 4 . Thus, 500 mL of water should be added to 500 mL of 1.0 M CuSO4 C u S O 4 solution to dilute it to 0.5 M.