A) A 1 liter solution contains 0.347 M hydrofluoric acid and 0.260 M potassium fluoride. Addition...

A) A 1 liter solution contains 0.347 M hydrofluoric acid and 0.260 M potassium fluoride.

Addition of 0.130 moles of hydroiodic acid will:
(Assume that the volume does not change upon the addition of hydroiodic acid.)

__Raise the pH slightly

__Lower the pH slightly

__Raise the pH by several units

__Lower the pH by several units

__Not change the pH

__Exceed the buffer capacity

B)

Which of the following aqueous solutions are good buffer systems?
.

__0.27 M ammonium bromide + 0.34 M ammonia

__0.35 M nitrous acid + 0.23 M sodium nitrite

__0.29 M hydrochloric acid + 0.23 M potassium chloride

__0.14 M hypochlorous acid + 0.13 M sodium hypochlorite

__0.10 M sodium hydroxide + 0.27 M sodium bromide

Expert Solution

queen_honey_blossom answered 2 years ago

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