Homework Answers
![- Stepwise ka reaction for the dipsotic acid h 303- H₂SO3 at the ² thot + HSO } -() 4503 + H₂O ² H₂o+ + sog2 D Ka, - [H0] [15](http://img.homeworklib.com/questions/5b93bae0-6f71-11ea-84a9-8fa351fb0c5f.png?x-oss-process=image/resize,w_560)
I give the equation and also
given the reason for not using pKa2 value. Thanks
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Short-Answer Questions (5 pts each) Give short answers or equations. Define all terms used. 1. Give...
please answer all parts of this question and explain everything 3. Give the simplest expression for determining the...
please answer all parts of this question and explain
everything
3. Give the simplest expression for determining the equilibrium concentration of phosphate ions in a solution prepared with an analytical concentration of phosphoric acid of CH3PO4 and a given pH.
please answer all parts of this question and explain everything 2. Give the equation for calculating...
please answer all parts of this question and explain
everything
2. Give the equation for calculating the fractional composition of phosphate, apo in an aqueous solution.
In the following questions write your answers with the detailed steps. Show all necessary equations or...
In the following questions write your answers with the detailed steps. Show all necessary equations or conversion factors. a. 4.50 g sample of glucose (C6H12O6) is dissolved in enough water to make 10.0 mL of solution. Calculate the molarity. b. 424 g of solute is dissolved in enough water to give 1.00 L of solution. The density of the resulting solution is 1.18 g/mL. What is the %(w/w)? c. Write a reaction equation that corresponds to the following equilibrium expression:...
In the following questions write your answers with the detailed steps. Show all necessary equations or...
In the following questions write your answers with the detailed steps. Show all necessary equations or conversion factors. a. 4.50 g sample of glucose (C6H1206) is dissolved in enough water to make 10.0 mL of solution. Calculate the molarity. b. 424 g of solute is dissolved in enough water to give 1.00 L of solution. The density of the resulting solution is 1.18 g/mL. What is the %(w/w)? c. Write a reaction equation that corresponds to the following equilibrium expression:...
PRE-LABORATORY QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all...
PRE-LABORATORY QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. Write out the chemical equation and equilibrium constant expression (Law of Mass Action) for the acetic acid / acetate ion buffer system. Derive the Henderson-Hasselbach equation for this system. 2. Calculate the pH of a buffer solution made by adding 1.3230 g of sodium acetate trihydrate (NaC,H,O, 3H,O) to 50.00 mL of 0.1652 M acetic acid. Assume there is...
all 5&6 5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(a...
all 5&6
5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(aq) (a) Show that this equation is the sum of two other equations, one representing the dissolution of AgBr into its component ions and the other representing the formation of the silver-ammonium complex from silver ion and ammonia (b) Calculate the equilibrium constant for the above reaction K,(AgBr) =...
Help with all questions please Answer all questions on a separate sheet of paper. Show all...
Help with all questions please
Answer all questions on a separate sheet of paper. Show all work and answer all questions completely. Make sure you use the proper number of significant figures and units. Place a box around all answers. 1. (2 points) How many milligrams of potassium dichromate heptahydrate are needed to prepare 50 mL of a 0.0375 M aqueous solution? Describe the procedure for making this solution. 2. (3 points) If 0.125 L of aqueous solution with a...
Please explain the correct answer to all three questions. Thank you! Incorrect Question 11 0/1 pts...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
please post all balanced equations and reaction tables that may be used. show work. Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Defin...
please post all balanced equations and reaction tables that may be
used. show work.
Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Define a base accending to the Bonsted-Lowry thony Write a balanced oquation in suppot ef this defisition, in which the base is acting as a Bensted Lowry base but not as n Arrhaius base Formic cid, HCOOH, is a weak acid with apk,e3.74 Draw up a reaction table...
# 3,8,9 esep donates a Short Answer Questions: Worth 3.5 points each 1. In the reaction...
# 3,8,9
esep donates a Short Answer Questions: Worth 3.5 points each 1. In the reaction H.CO; +H:0 HCO3 + H0", the Brønsted acids are a. H:CO, and H:0 1:0 and H:Coc. HCO3 and H:CO, d. H:CO, and HCO3 2. Which one of these statements about strong acids is true? aAll strong acids have H atoms bonded to electronegative oxygen atoms b. Strong acids are 100% ionized in water Strong acids are very concentrated acids Strong acids produce solutions with...
please answer all parts of this question and explain
everything
3. Give the simplest expression for determining the equilibrium concentration of phosphate ions in a solution prepared with an analytical concentration of phosphoric acid of CH3PO4 and a given pH.
please answer all parts of this question and explain
everything
2. Give the equation for calculating the fractional composition of phosphate, apo in an aqueous solution.
In the following questions write your answers with the detailed steps. Show all necessary equations or conversion factors. a. 4.50 g sample of glucose (C6H12O6) is dissolved in enough water to make 10.0 mL of solution. Calculate the molarity. b. 424 g of solute is dissolved in enough water to give 1.00 L of solution. The density of the resulting solution is 1.18 g/mL. What is the %(w/w)? c. Write a reaction equation that corresponds to the following equilibrium expression:...
In the following questions write your answers with the detailed steps. Show all necessary equations or conversion factors. a. 4.50 g sample of glucose (C6H1206) is dissolved in enough water to make 10.0 mL of solution. Calculate the molarity. b. 424 g of solute is dissolved in enough water to give 1.00 L of solution. The density of the resulting solution is 1.18 g/mL. What is the %(w/w)? c. Write a reaction equation that corresponds to the following equilibrium expression:...
PRE-LABORATORY QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. Write out the chemical equation and equilibrium constant expression (Law of Mass Action) for the acetic acid / acetate ion buffer system. Derive the Henderson-Hasselbach equation for this system. 2. Calculate the pH of a buffer solution made by adding 1.3230 g of sodium acetate trihydrate (NaC,H,O, 3H,O) to 50.00 mL of 0.1652 M acetic acid. Assume there is...
all 5&6
5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(aq) (a) Show that this equation is the sum of two other equations, one representing the dissolution of AgBr into its component ions and the other representing the formation of the silver-ammonium complex from silver ion and ammonia (b) Calculate the equilibrium constant for the above reaction K,(AgBr) =...
Help with all questions please
Answer all questions on a separate sheet of paper. Show all work and answer all questions completely. Make sure you use the proper number of significant figures and units. Place a box around all answers. 1. (2 points) How many milligrams of potassium dichromate heptahydrate are needed to prepare 50 mL of a 0.0375 M aqueous solution? Describe the procedure for making this solution. 2. (3 points) If 0.125 L of aqueous solution with a...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
please post all balanced equations and reaction tables that may be
used. show work.
Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Define a base accending to the Bonsted-Lowry thony Write a balanced oquation in suppot ef this defisition, in which the base is acting as a Bensted Lowry base but not as n Arrhaius base Formic cid, HCOOH, is a weak acid with apk,e3.74 Draw up a reaction table...
# 3,8,9
esep donates a Short Answer Questions: Worth 3.5 points each 1. In the reaction H.CO; +H:0 HCO3 + H0", the Brønsted acids are a. H:CO, and H:0 1:0 and H:Coc. HCO3 and H:CO, d. H:CO, and HCO3 2. Which one of these statements about strong acids is true? aAll strong acids have H atoms bonded to electronegative oxygen atoms b. Strong acids are 100% ionized in water Strong acids are very concentrated acids Strong acids produce solutions with...
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