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Problem- 1) A buffer solution contains 0.372 M KHSO3 and 0.249 M K2SO3. Determine the pH change when 0.094 mol NaOH is added to 1.00 L of the buffer.

pH after addition ? pH before addition = pH change =

2) A buffer solution contains 0.311 M NH4Br and 0.287 M NH3 (ammonia). Determine the pH change when 0.062 mol KOH is added to 1.00 L of the buffer.

pH after addition ? pH before addition = pH change =

I am stuck in between this question please help me out

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