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Question- Calculate the [H] and pH of a 0.0025 M butanoic acid solution. Keep in mind that the Ka of butanoic acid is 1.52 * 10-5. Use the method of successive approximations in your calculations.
I got pH to be 3.6 however I am having a hard time attaining [H+]. 0.0002 M is incorrect.
Would using sulfuric acid instead of hydrochloric acid with zinc metal change the outcome of the reaction
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
A mixture containing 80.0 nM iodoacetone (designated A) and 64.0 nM p-dichlorobenzene (designated B) gave the relative detector response (peak area of A)/(peak area of B) = 0.71 in a chromatography experiment.
Oxygen gas can be obtained by the thermal decomposition of mercuric oxide; 2 HgO(s) + heat ® 2 Hg(l) + O2(g) What volume in liters of oxygen gas, measured at 6.926 °C and 0.9130 atm, would be produced from 12.43 g of HgO
a melting point of 328.0 Celsius degrees, and a heat of fusion of 5.5 kcal/kg. How much heat must be provided to melt a 250.0 kg sample of lead with a temperature of 20.0 Celsius degrees
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
When o-phthaladehyde is treated with base, o-(hydroxymethyl)benzoic acid is formed. Show the mechanism of this reaction.
To measure the volume of an irregularly shaped container filled with water, 1.00 ml of 2.00 M potassium chloride solution is added. After stirring, a 5.00 ml sample was found to contain 2.54x 10^-2 mg of potassium ion. What is the volume of the co..
What is the resulting temperature when 35 g of water at 75C is mixed with 15 g of water at 15C? (The specific heat of water is 4.184 J/g x C.)
Calculate the concentration of C6H5NH3+ in this buffer solution Answer:1.9 M b) Calculate the pH after 4.0 g of NaOH(s) is added to 1.0 L of this solution
A mixture moistened with water and placed it in a desiccator (drying chamber) with silica gel to dry at 22C. the silica gel absorbed water vapor as the mixture dried.
Illustrate (draw) the thermodynamic cycles for the acid dissociation of both HCl and HF. Classify each cycle as exergonic or endergonic. Do your calculated values agree with the observed strengths of each acid in water?
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