Which one of the following are buffers?  a) 0.10M HCN and 0.10M NaCN b) 0.10 NaOH and 0.90M KOH c) 0.10M NH3 and 0.10 NH4Br

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 100E: Calculate the molar solubility of BaF2 in a buffer solution containing 0.20 M HF and 0.20 M NaF.
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  • Which one of the following are buffers?

 a) 0.10M HCN and 0.10M NaCN

b) 0.10 NaOH and 0.90M KOH

c) 0.10M NH3 and 0.10 NH4Br

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