(Answered) Part 1a buffer solution

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Part 1.

A buffer solution contains 0.318 M NaH₂PO₄ and 0.241 M Na₂HPO₄. Determine the pH change when 0.080 mol NaOH is added to 1.00 L of the buffer.

pH after addition - pH before addition = pH change = ________

Part 2.

A buffer solution contains 0.375 M C₆H₅NH₃Br and 0.372 M C₆H₅NH₂ (aniline). Determine the pH change when 0.090 mol NaOH is added to 1.00 L of the buffer.

pH after addition - pH before addition = pH change = _______

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