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A buffer solution contains 0.424 M ammonium chloride and 0.235 M ammonia.   If 0.0297 moles of...

A buffer solution contains 0.424 M ammonium chloride and 0.235 M ammonia.  

If 0.0297 moles of potassium hydroxide are added to 225 mL of this buffer, what is the pH of the resulting solution ?  
(Assume that the volume change does not change upon adding potassium hydroxide)

pH =

A buffer solution contains 0.382 M nitrous acid and 0.466 M potassium nitrite.  

If 0.0176 moles of hydrobromic acid are added to 150. mL of this buffer, what is the pH of the resulting solution ?  
(Assume that the volume change does not change upon adding hydrobromic acid)

pH =

A buffer solution contains 0.463 M KH2PO4 and 0.305 M Na2HPO4.  

If 0.0180 moles of sodium hydroxide 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 sodium hydroxide)

pH =


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a.

b.

queen_honey_blossom answered 1 year ago
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