Starlaforeman5050 Starlaforeman5050

22-03-2021
Chemistry

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What ratio of NaCN to HCN is needed to prepare a pH 9.40 buffer? (Ka of HCN is 4.9 × 10⁻¹⁰)

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ChinaDoll33 ChinaDoll33

22-03-2021

Answer: The ratio of NaCN to HCN is, 1.26

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