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18 Nov 2019
Can someone help me with these problems? Thank you! A student titrated 25.0 mL buffer with 0.126 M HCI. The observed titration is shown below. What is the concentration of the weak base in the buffer? Thoroughly document your logic including equivalence point and mole conversion. The student then titrated 25.0 mL of the same buffer with 0.115 M NaOH. The observed titration curve is shown below. What is the concentration of the weak acid in the buffer? Thoroughly document your logic including equivalence point and mole conversion. What is the buffer strength (i.e., the total of [HA] and [A])? If the pH of the buffer (before it is titrated) is 5.70, what is the pKa of the weak acid?
Can someone help me with these problems? Thank you!
A student titrated 25.0 mL buffer with 0.126 M HCI. The observed titration is shown below. What is the concentration of the weak base in the buffer? Thoroughly document your logic including equivalence point and mole conversion. The student then titrated 25.0 mL of the same buffer with 0.115 M NaOH. The observed titration curve is shown below. What is the concentration of the weak acid in the buffer? Thoroughly document your logic including equivalence point and mole conversion. What is the buffer strength (i.e., the total of [HA] and [A])? If the pH of the buffer (before it is titrated) is 5.70, what is the pKa of the weak acid?
Hubert KochLv2
26 Mar 2019