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(a) Starting with 40 mL of 2.0 M NaOH, how much water needs to be added to prepare a 0.5 M solution? (b) What does

(a) Starting with 40 mL of 2.0 M NaOH, how much water needs to be added to prepare a 0.5 M solution?

(b) What does the molarity of that solution become if another 100 mL of water is added?

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