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Which of the following aqueous solutions are good buffer systems? 0.13 M calcium hydroxide + 0.25 M calcium...

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Chemistry

Which of the following aqueous solutions are good buffersystems?

0.13 M calcium hydroxide +0.25 M calcium bromide

0.27 M ammonia +0.32 M potassium hydroxide

0.39 M sodium chloride +0.28 M barium chloride

0.28 M hydrobromic acid +0.16 M potassium bromide

0.21 M hydrocyanic acid +0.22 M potassium cyanide

0.34 M nitrous acid +0.21 M sodiumnitrite

0.16 M sodiumfluoride + 0.21 Mhydrofluoric acid

0.28 M ammoniumnitrate + 0.39 Mammonia

0.21 M acetic acid +0.13 M potassiumacetate

0.29 M perchloric acid +0.24 M potassiumperchlorate

Answer & Explanation Solved by verified expert
3.6 Ratings (435 Votes)
Answer Good buffer system are those systems 1 combination of weak acid and its salt with strong base 2 combination of weak base and its salt with strong acid Strong acid or strong base can not make a good buffer system 1 013 M calcium hydroxide 025 M calcium    See Answer
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