What is the pH difference between a buffer solution (Solution A) of 0.95 M HCOOH and...
What is the pH difference between a buffer solution (Solution A) of 0.95 M HCOOH and 1.22 M HCOO− and a buffer solution (Solution B) of 0.95 M HCOOH and 3.75 M HCOO−? Assume that 0.10 M of NaOH, a strong base, is added to both buffer solutions and that Ka = 1.77 × 10−4.
Answer Choices:
| 0.47 | |
| 0.95 | |
| 1.14 | |
| 3.94 |
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What is the pH difference between a buffer solution (Solution A)
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A formic acid buffer solution contains 0.22 M HCOOH and 0.24 M HCOO. The pKa of formic acid is 3.75. What is the pH...
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1. Assume that 1.00 mol of HCOOH and 0.725 mol of HCOONa are diluted in an aqueous solution of 1.00 L of solution: a. Calculate the pH of the solution (Ka = 1.77 x 10-4) b. Assume that 0.10 mol of a strong acid such as HCl is added to the previous HCOOH / HCOONa solution. Calculate the pH of the new solution.
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please help!! calculate pH of solutions on second page a-c!!
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A formic acid buffer solution contains 0.22 M HCOOH and 0.24 M HCOO. The pKa of formic acid is 3.75. What is the pH of the buffer? Answer:
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1. (4 points) A buffer solution is created with C;H,NH, and 0.012 M C;HsNH2. The K, for C,H,NH2 is 4.7 х 104. What is the concentration of C,HNH, in the buffer solution that has a pH of 11.50? а. What is the concentration of the buffer solution if 0.0011 M HC is added to the buffer in part a.? b. Why is the buffer a basic solution? Could this weak...
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