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Which of the following aqueous solutions are good buffer systems? (select all that apply) .- 0.13...

Which of the following aqueous solutions are good buffer systems? (select all that apply)
.- 0.13 M hypochlorous acid + 0.12 M potassium hypochlorite
- 0.10 M sodium nitrite + 0.23 M nitrous acid
- 0.22 M hydroiodic acid + 0.25 M potassium iodide
- 0.35 M hydrofluoric acid + 0.20 M potassium fluoride
- 0.31 M ammonium bromide + 0.30 M ammonia
- 0.20 M hydrobromic acid + 0.18 M potassium bromide.
- 0.31 M ammonia + 0.36 M ammonium nitrate.
- 0.11 M sodium hydroxide + 0.21 M sodium bromide.
- 0.39 M potassium perchlorate + 0.29 M barium perchlorate.
- 0.17 M hydrocyanic acid + 0.11 M hydroiodic acid.

Solutions

Expert Solution

Answer:-

buffer contains the weak acid or base and its salt with strong base or acid

the following solution are good buffer,

0.13 M hypochlorous acid + 12 M potassium hypochlorite

0.10 M sodium nitrite + 0.23 M nitrous acid

0.35 M hydrofluoric acid + 0.20 potassium fluoride

0.31 M ammonium bromide + 0.30 M ammonia

queen_honey_blossom answered 2 years ago
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