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How many millimoles of naoh or hcl must be added to 500.0 ml?

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Answer:

Question: How Many Millimoles Of NaOH Or HCl Must Be Added To 500.0 ML Of 0.250 M NaO2CCO2H To Prepare A PH 3.90 Buffer? Assume No Change In Volume. PK1 = 1.250 And PK2 = 4.266. Answer: 37.65 Mmol NaOH.

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