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07-06-2024
Chemistry

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A chemistry graduate student is given 500mL of a 1.30M hydrocyanic acid (HCN) solution. Hydrocyanic acid is a weak acid with Kₐ = 4.9 x 10⁻¹⁰. Whatmass of NaCN should the student dissolve in the H solution to turn it into a buffer with pH = 9.56?

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