Define conjugate acid-base pairs to use in the preparation

Reference no: EM13313512

Select all of the following that would be acceptable conjugate acid-base pairs to use in the preparation of a pH=9.8 buffer.

HCN/KCN

KHSO3/K2SO3

KHCO3/K2CO3

H2S/KHS

KHS/K2S

NH4Cl/NH3

HNO2/KNO2

HF/KF

Reference no: EM13313512

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