State the mixtures that constitute buffer solution

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Reference no: EM13169760

Choose only the mixtures that constitute buffer solutions. Can someone how i would determine this as well?

0.30 M HOCN mixed with 0.35 M NaNO3

0.30 M HNO3 mixed with 0.35 M NaNO3

0.20 M CH3NH2 mixed with 0.30 M KBr

0.20 M NaOH mixed with 0.30 M NaBr

0.20 M (CH3)2NH (a weak base) mixed with 0.30 M (CH3)2NH2Cl

0.30 M HF mixed with 0.35 M NaF

Reference no: EM13169760

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