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Which of the following can be mixed together in water to produce a buffer solution? Select one: a. HCIO4 and NaClO4 b. HNO3 and NaNO3

Which of the following can be mixed together in water to produce a buffer solution?

Select one: a. HCIO4 and NaClO4 b. HNO3 and NaNO3 c. HSO4 and NaHSO4 d. H3PO4 and NaH2PO4 e. HCI and NaCl

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