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a) 0.04 g of NaOH(s) is added to 200 mL of water. What is [OH-]? b) If [OH-] in a solution is 10-4 M, what

a) 0.04 g of NaOH(s) is added to 200 mL of water. What is [OH-]?

b) If [OH-] in a solution is 10-4 M, what is [H+]?

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