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Determine the pH change when 0.047 mol HBr is added to 1.00 L of a buffer solution that is 0.356 M in HNO 2 and

Determine the pH change when 0.047 mol HBr is added to 1.00 L of a buffer solution that is 0.356 M in HNO2 and 0.217 M in NO2-.

pH after addition − pH before addition = pH change =

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