Can someone please walk me through how to do the following problem? Thank you! Consider the following equation at equilibrium. CH3COOH <---> CH3COO- (aq) + H+ (aq) If NaCH3COO is added to the solution, indicate if the following quantities will increase, decrease, or stay the same -- and explain why for each. [H+] [O
Can someone please walk me through how to do the following problem? Thank you! For a 0.13 M solution of formic acid, HCOOH, the pH = 2.40. Calculate Ka for formic acid. HCOOH <---> HCOO- (aq) + H+ (aq)
Can someone please walk me through how to do the following problem? Thank you! A typical aspirin tablet contains 324 mg of aspirin (C9O4H8), a monoprotic acid with Ka=2.8 x 10^-4. A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 ml glass of water, what is the pH of the solution?
Can someone please explain to me the following question? "Calculate the pH of a 1.0 M CH3COOH solution." My answer: pH = -log[H+] = -log[1.0] = 0 But how can that be right? Since CH3COOH is a weak acid, how can it have a pH of zero? Did I do something wrong?
How many milliliters of 3.00 M hydrochloric acid would be needed to react completely with a milk of magnesia tablet that contains 310 mg of Mg(OH)2? The neutralization reaction produces magnesium chloride, MgCl2, and water.
For the reaction SO3 + H2O yields H2SO4, calculate the percent yield if 500.g of sulfur trioxide react with excess water to produce 575 g of sulfuric acid? 82.7%, 88.3%, 91.2%, 93.9%
5. To examine the soda fountain methods of making carbonated beverages by measuring the amount of acid in a fixed volume of Coca-Cola. Use a 250 ml sample for all analysis and make each batch with a separate CO2 cylinder so that the carbon dioxide content in each batch would be as uniform as possible. In a typical experiment,
You are going to titrate sulfurous acid, H2SO3 (Ka1 = 1.7x 10minus 2 and Ka2 = 6.4 x 10 minus 8) with a 0.2000 M NaOH solution. If you start with 100 ml of 0.1275 M sulfurous acid, what is the initial pH? What is the pH of the solution at the first equivalence point? What is the pH at the second equivalence point? What is th
4. Aluminum hydroxide, Al(OH)3, is a gelatinous, insoluble material (Ksp = 1.3 X 10 negative 33rd). If you add 1.65 x 10 negative 6th mol of AlCl3 to ten ml of water that has a pH of 9.5, will an aluminum hydroxide precipitate form? If one does form, approximately how many grams will form? Molar mass of Al(OH)3 = 78.00 g/mol.
Question: Compute the molarity of 15.0 ml of a nitric acid solution that required 35.9 ml of 0.0480 M KOH for complete neutralization.
Concetration, molarity, mole, volume, limiting reagent, % yield, theoretical yield and actual yield.
What is the pH of a 0.0200 M solution of H2SO4? For HSO4-, Ka = 1.2*10^-2
What is the pH of a solution made from 400.0 mL of 0.0250 M HCl and an equimolar amount of 0.100 M pyridine (a nitrogen base with Kb = 1.4 * 10 ^-9)?
What is the pH of a solution made from 50.0 mL of 0.20 M NaOH with 100.0 mL of 0.10 M NH4Cl. Kb for ammonia = 1.8* 10 ^-5
Several years ago people who were taking supplements of tryptophan (an essential amino acid that we must take in our food for normal growth and maintenance of a healthy body; without it we could not live) started becoming very ill. Some individuals suggested that tryptophan was what was causing the disease. For most amino acid
1 How many grams of oxygen are required to fill a 4.5 x 103 liter hyperbaric chamber at a pressure of 225 cm Hg and 62 F? If the same quantity of oxygen, was pumped back into a gas cylinder at a pressure of 200 atm and at 75 F, what would the volume be? 2 Any number of green plants can photosynthesize glucose (C6H12O
Predict whether aqueous solutions of each of the following salts are acidic, neutral, or basic: Potassium iodide Potassium hydrogen phosphate Are these two kind of similar? I thought that potassium did not react with water. or does it form KOH and then would always be the strongest because OH is the strongest base?
Predict whether aqueous solutions of each of the following salts are acidic, neutral, or basic. Sodium hydrogen carbonate In class we just learned to look on the table and see if one was a weak acid or strong base, then decide what the solution would be. However, I can't find some of them on the table so then I believe
Predict whether the aqueous solution of the following salt is acidic, neutral, or basic: Potassium hydrogen phosphate
Please show me how to solve this problem, step by step. 0.50 molar solutions of the following weak acids HOCL and NaOCL are available. What volume in mL of a 1.00 molar NaOH solution should be added to 1.00 L of the above acid solution to create a buffer with a pH of 7.16? Ka = 3.5 x 10-8, Pka = 7.46
I just need some help to get started on designing an experiment for a quantitative colorimetric iron assay. We're allowed to use the following items: deionized water 0.02 M feCl3 1,10-phenanthroline ferrozine filter paper test tubes and test tube racks volumetric flasks HCl NaOH digested soil samples undigested s
A titration was conducted to determine the percent of acetic acid within vinegar. The reaction of this titration is HC(2)H(3)O(2) --->NaC(2)H(3)O(2) +H(2)O (water) Given Concentration of NaOH 0.2959 M. Final Buret Reading:26.72 mL Initial buret reading :0.02 mL Volume of NaOH added: 2
Vinegar is a 5% acid solution, CH3COOH, by mass. What is the molarity of vinegar? Assume that the density of vinegar is 1.00 g/mL.
You have a 0.1 M aqueous solution of NH3 to which you add an equal volume of 0.1 M AgNO3. The Kb is 1.80 x 10-5 and the K formation for [Ag(NH3)2]+ is 1.69 x 10 to the 7th. What is the pH of the original NH3 solution and what is the pH after the addition of AgNO3?
Magnesium hydroxide has a Ksp of 1.8 x 10-11. At what pH will the magnesium from a 0.018 M solution of magnesium nitrate precipitate? In addition, if you take 0.1 mole of Mg(OH)2 and place it in a 100 ml solution of 1.00 x 10-4 M NaF, will MgF2 (Ksp = 6.5 x 10-8) form and if it does how much will form? Ka = 3.53 x 10-4 for HF.
What gas is producedd when you add baking soda to soft drinks like: 7Up, Sprite, Orange, Dr. Pepper and Coke? Why does Dr. Pepper produce the most gas? Why does 7Up produce the least gas?
1. What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl? (Ksp PbCl2 = 1.6 x 10-5) a. 7.1 x 10-4 b. 1.1 x 10-4 c. 2.0 x 10-3 d. 1.8 x 10-4 e. 1.6 x 10-5 2. In which aqueous system is PbI2 least soluble? a. H2
1. Given the following table of Ksp values, determine which compound listed has the smallest solubility. compound Ksp CdCO3 5.2 x 10-12 Cd(OH)2 2.5 x 10-14 AgI 8.3 x 10-17
1) This is the scenario: there are six prepared solutions, but the labels are not on the bottles. What are the the solutions in the bottle. The six possible solutions are silver nitrate, barium chloride, copper (II) nitrate, copper(II) sulfate, sodium carbonate, and hydrochloric acid. The results were found by mixing the each so
A solution was prepared by dissolving 2.3g NaOH in 2.0L water. This solution was then mixed with 1L pH = 1.0 HCl solution. What is the pH of the resulting solution? What is the pOH of the solution? See attached file for full problem description.