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A) A buffer solution contains 0.484 M KHCO3 and 0.314 M K2CO3. Determine the pH change when 0.126 mol NaOH...

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Chemistry

A) A buffer solution contains 0.484 MKHCO3 and0.314 MK2CO3.Determine the pH change when0.126 mol NaOH is added to1.00 L of the buffer.

pH after addition − pH before addition = pH change=

B) A buffer solution contains 0.335 MNH4Br and0.313 M NH3(ammonia). Determine the pHchange when 0.072 molKOH is added to 1.00 L of thebuffer.

pH after addition − pH before addition = pH change=

C) Determine the pH change when0.086 mol HI is added to1.00 L of a buffer solution that is0.442 M in CH3COOH and0.368 M inCH3COO-.

pH after addition − pH before addition = pH change=

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