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Chemistry
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Which of the following aqueous solutions will or will not act as a buffer solution? 

H2SO3 and NaHSO3 

HBr and KI 

HClO4 and NaClO4 

 CH3CO2K and CH3CO2Na 

 NaOH and NaCl 


NaH2PO4 and Na2HPO4 

Feb 18th, 2015

A buffer is a weak acid + conjugate base or a weak base + conjugate acid

H2SO3 and NaHSO3 are sulfuric acids, which is a strong acid, so it will not act as a buffer

HBr and KI ,  NaOH and NaCl ,NaH2PO4 and Na2HPO4 will act as a buffer



Feb 18th, 2015

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