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  3. a buffer solution contains 0.424 m ammonium chlori

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

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Chemistry

A buffer solution contains 0.424 Mammonium chloride and0.235 Mammonia.  

If 0.0297 moles of potassiumhydroxide are added to 225 mL of thisbuffer, what is the pH of the resulting solution?  
(Assume that the volume change does not change upon addingpotassium hydroxide)

pH =

A buffer solution contains 0.382 Mnitrous acid and 0.466 Mpotassiumnitrite.  

If 0.0176 moles of hydrobromicacid 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 addinghydrobromic acid)

pH =

A buffer solution contains 0.463 MKH2PO4 and0.305 MNa2HPO4.  

If 0.0180 moles of sodiumhydroxide are added to 150. mL of thisbuffer, what is the pH of the resulting solution?  
(Assume that the volume does not change upon adding sodiumhydroxide)

pH =


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