How many grams of ammonia are in 3.0 mL of concentrated ammonium hydroxide solution? How many moles of ammonia are in 3.0mL of concentrated ammonium hydroxide?

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venurasandeepa227Lv5

18 Oct 2022

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#13

A) A buffer solution contains 0.378 M ammonium bromide and 0.411 M ammonia.

If 0.0359 moles of hydroiodic acid are added to 150 ml of this buffer, what is the pH of the resulting solution ?
(Assume that the volume does not change upon adding hydroiodic acid)

pH =

B) A buffer solution contains 0.500 M ammonium bromide and 0.397 M ammonia.

If 0.0235 moles of potassium hydroxide are added to 125 ml of this buffer, what is the pH of the resulting solution ?
(Assume that the volume does not change upon adding potassium hydroxide)

pH =