2. Draw the structure of isoleucine and determine the charge on a molecule in a(n) a. Acidic solution (pH = 1) b. Neutral solution (pH = 7) c. Basic solution (pH = 11)

Q: What is the pH of a 0.360 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹

A: Given data--> C= 0.360 M solution of C5H5NHBr Kb=1.7*10-9   pkb = - log10(1.7*10-9) pkb= 9 -…

Q: 0.5MHCI

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: NEW August 2, 2021. What is the molar concentration of 1-L of pure water at room temperature? Select…

A: Molar concentration of a solution is defined as moles of solute present in one Liter of the…

Q: 11. Hydrogen chloride is a compound. a. Draw a diagram to show how the electrons are arranged in a…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Calculate the pH at 25°C of a 0.89M solution of trimethylammonium chloride CH33NHCl. Note that…

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Q: Calculate the pH of a 0.42 M H,SO4 solution. Give your answer to 2 places after the decimal.

A: given, molarity of H2SO4 solution = 0.42 M

Q: Background info to assure you know why is pH important to biology: Most cells can only survive…

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Q: Rank the following solutions and compounds from the most conductive to the least conductive.…

A: The electrical conductivity of a solution depends upon the mobility of the ions present in it. The…

Q: The net charge on the amino acid glutamic acid at point E wil 10.0 8.0 E pH D 4.0 B 2.0 A mL of NAOH…

A: At point E, pH = 6.

Q: Calculate the pH, [H2L*], [HL], [L] for each solution of the amino acid proline (Kal = 1.12 x 102…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the pH of a 0.420 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)

A: Given, Concentration of C₅H₅NHBr = 0.420 M Kb = C₅H₅N is 1.7 × 10⁻⁹   pKb=-[logkb]pKb=-[log 1.7 ×…

Q: What is the pH of a 0.1 M solution of acetic acid (pKa 5 4.75)? Use the quadratic equation to slove…

A: Acetic acid is a weak acid. In aqueous solution it do not dissociate completely. The concentration…

Q: How many grams of NaOH (MW 40.00 g/mole) should be added

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Q: Morphine is an effective pain killer but is also highly addictive. Calculate the pH of a 0.115 M…

A: Given, Molarity of morphine solution = 0.115M. pKb = 5.79.

Q: The [–OH] in a sample of egg whites is 6.3 × 10–7 M. What is the [H3O+] in these eggwhites?

A: Answer: Concentration of hydroxide ions in egg white given is [OH-]=6.3×10-7M   At room temperature…

Q: What is the pH of a 0.10 M solution of H2S (aq)? Ka1 = 9.5 x 108 Ka2 = 1.0 x 10-19 Select one: O a.…

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Q: Wite Chemical Nane and determine if it is lanic compand Coralent campound Acid D. Oxyacid E. Bases…

A: Given compounds are : 1. VN 2. OsP2O7  3. P2Se3  4. Mo(TeO3)3  Write chemical name and determine if…

Q: Amphetamine (C,H13N) is a weak base with a pKp of 4.2. You may want to reference (Page) Section 16.7…

A: Given: concentration of amphetamine (C9H13N) = 250 mg/L molar mass of amphetamine = 135.21 g/mol pkb…

Q: What is the pH of a 0.215 M solution of HIO (hipoiodous acid)? (Use your workbook to find Ka) Upload…

A: [H+] = (Ka × C )1/2

Q: 60.0 mL of a 0.800M NaCI solution is mixed with 80.0 mL of a 0.500M KBr solution. What is the new…

A: Here 60 ml of 0.8M NaCl solution was mixed with 80 ml of 0.5 M KBr solution. We have to find new…

Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86. Round to…

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Q: QUESTION 4 Which of the following is much more acidic? Туре: MC

A: Acidity trends follow  the trends that stabilize negative charge in organic chemistry .  These…

Q: The reason Als* can act as an acid is because

A: Lewis acids are those which can accept electrons.

Q: Determine the pH  and the concentration of [OH– ] in a 0.40 M solution of ammonia?       The Kb…

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Q: What are ampholytes?

A: ampholytes are those molecules which can act like both acid as well as base i.e they show amphoteric…

Q: List 3 other substances that you can use (instead of Sweet Tarts or milk) to determine the amount of…

A: The functional groups are the key components of a molecule and are responsible for the particular…

Q: The salt produced by the reaction of an equal number of moles of KOH and HNO3will react with water…

A: The salt produced by the reaction of an equal number of moles of KOH and HNO3will react with water…

Q: Chemists have defined the pH (Hydrogen Potential) of a solution by pH = -log[H+] where [H+]…

A: • The values provided in the question are:-     i) pH of a destructive acid rainfall = 2.7    • We…

Q: Methylamine CH3NH2 is a weak base with pKb =3.36. What is the value of Ka for the trimethylammonium…

A: Answer: This question is based on conjugate acid-base pair.

Q: Glycine has the zwitterion structure

A: a)

Q: A 0.355 M solution of bisulfide has a pH of 10.00. What is the Kb of bisulfide?   a. 2.8 × 10-8…

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Q: 29. Determine the ph of a 0.50 M NaH2PO4 and 0.10 M Na2HPO4 solution. pKa is 7.21. А. 5.5 В. 6.5 O…

A: The solution contains weak acid NaH2PO4 and its conjugate base Na2HPO4. So, this is a buffer…

Q: Estimate the pH at 50% volume of the first equivalence point. This represents pKa1- What is the Ka1?…

A: Half-equivalence point is the point in titration curve, when half of the acid is neutralized by the…

Q: 18.) If 40.0 mL of 0.500 M HCl are diluted to 95.0 mL, what will the HCl concentration of the…

A: The concertation of diluted solution is calculated by using the equation, M1 V1 =M2 V2 where,…

Q: Question 2 1. Briefly explain how: a) rivers can be treated when acidic wastes enter them. b) bee…

A: When acidic waste enter rivers, it decreases the pH of water from its neutral pH levels. This is…

Q: How much mL of BaSO4 will be recovered given the following: Solution A: Na2SO4(aq) = 0.01 M; V =…

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Q: Amino acids form zwitterions.... O when pH is greater than pl O at high pH O when pH is equal to pl…

A: Welcome to bartleby!

Q: A 0.030 M solution was prepared by dissolving potassium valinate in 1 L of water. What is the pH of…

A: pH is defined as the negative logarithm of hydrogen ion concentration present in the solution. pH =…

Q: the concentration of CaF2 is 0.48 M, how would i find the concentration of Flouride ion in mol per L

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86. Round to…

A:

Q: 29. The following is/are basic. A. Baking soda B. Vinegar C. Lemon juice D. Bleach E. Orange juice

A: Bases are generally the species which donate the non-bonding electrons (lone pair of electrons).…

Q: A.) In the laboratory, a general chemistry student measured the pH of a 0.589 M aqueous solution of…

A: general chemistry student measured the pH of a 0.589 M aqueous solution of diethylamine, (C2H5)2NH…

Q: 36-as water is heated, its PH value decreases this means that. (a) The water has a lower [OH-] than…

A: H2O +  H2O  =  H3O+  +  [OH-] Kw = [H3O+] [OH-] pH = -log[H3O+]

Q: 30) Which of the following is a nonelectrolyte? A) MgCl, B) H,SO, (strong acid) HF (weak acid) D)…

A: Electrolyte is a substance that is able to conduct electricity in its aqueous solution. This is due…

Q: Soaps work best when water is neutral or alkaline, but not very well when water is acidic. Explain…

A: Soap is mixture of sodium salt of long chain fatty acids.

Q: In the laboratory, a general chemistry student measured the pH of a 0.423 M aqueous solution of…

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Q: Part C Calculate the pH in 0.184 M CH;CO,H Express your answer using two decimal places. pH = %3D

A: NOTE: Since you have posted multiple questions, we are solving only the first question for you. If…

Q: pH

A:

Q: 116. Calculate the pH of a 0.005 M solution of potassium oxide, K,O. a) 12.0 b) c) 7.0 d) 2.3 e) 2.0…

A: K2O + H2O -----> 2KOH

Q: Fill in the blanks: Write C if Statements a and b are correct H if both statements are incorrect E…

A: The pH of a solution helps in determining the acidity or basicity of solution. If the pH of a…