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10 May 2019
1.A buffer solution contains 0.314 M KH2PO4 and 0.368 M K2HPO4. Determine the pH change when 0.110 mol HCl is added to 1.00 L of the buffer.
pH change = _________
2.A buffer solution contains 0.272 M C6H5NH3Cl and 0.399 M C6H5NH2 (aniline). Determine the pH change when 0.115 mol HNO3is added to 1.00 L of the buffer.
pH after addition â pH before addition = pH change = _________
1.A buffer solution contains 0.314 M KH2PO4 and 0.368 M K2HPO4. Determine the pH change when 0.110 mol HCl is added to 1.00 L of the buffer.
pH change = _________
2.A buffer solution contains 0.272 M C6H5NH3Cl and 0.399 M C6H5NH2 (aniline). Determine the pH change when 0.115 mol HNO3is added to 1.00 L of the buffer.
pH after addition â pH before addition = pH change = _________
Reid WolffLv2
10 May 2019
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