A student prepared a 0.10M solution of formic acid (HCHO2) and measured its pH using a...
A student prepared a 0.10M solution of formic acid (HCHO2) and measured its pH using a pH meter. The pH at 25C was found to be 2.38. Calculate Ka for formic acid at this temperature.
Homework Answers
![O lom pH = 2.38 pH = -log[H + [ft] - lo-bH J. - 4-1686 X 10-3 HCOo. HCOOH , H+ + Initial change - 4.16868 10 3 +4.1686*10 3 E](http://img.homeworklib.com/questions/cfcf88e0-da0d-11eb-a9a5-8391721c03a5.png?x-oss-process=image/resize,w_560)
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A student prepared a 0.10M solution of formic acid (HCHO2) and
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Determine the [H3O*1 and pH of a 0.200 M formic acid (HCHO2) solution. The Ka of formic acid at 25 °C is 1.8 X 10. (1 point)
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What is the hydronium concentration of a 0.0895 M formic acid, HCHO2, solution. Ka (HCHO2) = 1.8 x 10-4
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QUESTION 14 Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid...
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Calculate the pH of a solution prepared by dissolving 0.370 mol of formic acid HCOOH and 0.230 mol of sodium formate HCOONa in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77x10. -4 Seleccione una: a. 10.463 b. 2.307 O O c. 2.099 d. 3.546 e. 3.952
1. formic acid, HFor, has a Ka value equal to about 1.8x10^-4. A student is asked...
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Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak...
Calculate the pH of a 0.065 M formic acid (HCOOH)
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Formic acid is a weak acid with Ka = 1.8 ×
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2.48 is WRONG answer!!!!!!
Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
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QUESTION 14 Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.230 mol of sodium formate (NaCO2H) in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77X104 Enter your answer with three decimal places.
Calculate the pH of a solution prepared by dissolving 0.370 mol of formic acid HCOOH and 0.230 mol of sodium formate HCOONa in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77x10. -4 Seleccione una: a. 10.463 b. 2.307 O O c. 2.099 d. 3.546 e. 3.952
Calculate the pH of a 0.065 M formic acid (HCOOH)
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Formic acid is a weak acid with Ka = 1.8 ×
10–4 at 25°C.
2.48 is WRONG answer!!!!!!
Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
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