(Answered) A buffer solution of volume 100 ml is 0151 m na2hpo4aq and

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A buffer solution of volume 100 mL is 0.151 M Na2HPO4(aq) and 0.185 M KH2PO4(aq). What is the change in pH resulting from the addition of 70.8 mL of 0.01 M NaOH(aq) to this buffer solution?

What is the pH change resulting from the addition of 5.6 mL of 0.8 M HNO3(aq) to the initial buffer solution?

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