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2. a) A buffer is made by mixing 50.0 mL of 0.25 M HC2H3O2 with 83.0...

2. a) A buffer is made by mixing 50.0 mL of 0.25 M HC2H3O2 with 83.0 mL of 0.40 M NaC2H3O2. What is the pH of this buffer solution? (20 points) Ka = 1.7 *10-5

b). If 5.00 mL of 0.1 M HCl was added to the buffer created in question 2 a, what will be the new pH of this solution?

Solutions

Expert Solution

2. a) pH of the buffer solution is 5.19 (approx)

b) New pH of the solution is 5.17 (approx)

queen_honey_blossom answered 2 years ago
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