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1. In the titration of a 25.00mL sample of 0.10M HAc (Ka=1.75x10-5) using 0.10M NaOH as...

1. In the titration of a 25.00mL sample of 0.10M HAc (Ka=1.75x10-5) using 0.10M NaOH as the titrant, what is the pH at the following points during the titration?

a). After the addition of 25.00mL NaOH?

2. You want to prepare at least 1L of a NH3/NH4+ buffer with pH = 9.65. You have available the following solutions, all 0.10M: NH3, NaOH, NH4Cl, and HCl. For NH3, Kb= 1.8x10-5. Which solutions and what volumes would you mix to prepare the buffer?

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The answer is given in the image,

queen_honey_blossom answered 2 years ago
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