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23-05-2024
Chemistry

Answered

A student needs to prepare a buffer made from HCN and KCN with pH 9.115 . If Kₐ for HCN is 4.00 × 10⁻¹⁰, what ratio of [HCN]/[CN⁻] is required?
[HCN]/[CN] = _______

Answer :

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