a. Which combination of acid and salt will make a good buffer solution? i.HNO3 and NaNO3 ii. H2CO3 and NaHCO3 iii. H2SO4 and NaHSO4 iv. none of these b. Which one of the following is a strong acid? i. H2CO3 ii. HNO2 iii. H3PO4 iv. H2SO4 c. Which of the following gases is produced when an acid reacts with an active metal? i.H2 ii. H2O iii. CO iv. CO2

Q: 1. Circde the letters of each of the pairs that can make a buffer. a. NaH,PO, and KPO. b. KaH;P:O,…

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

Q: Which of the following acid and base species, when mixed together in a 1:1 mole ratio, will make a…

A: From the given following options, which will give buffer solution when mixed together in 1:1 mole…

Q: Which of the following would form a buffer with formic acid? a. NaCO₂H b. HC₂H3O2 C. NH3 d. H₂O

A: Buffer solution: A buffer is a solution which resist the change in pH when base or acid added. There…

Q: 4. Identify the Brønsted-Lowry in each reaction: Acid & Base, and also the conjugate acid and…

A: According to Bronsted Lowry concept:Acid is a substance that releases H+ in aqueous solutions. After…

Q: Strong acid and strong base Strong acid and weak base C. Weak acid and their conjugate base D. Weak…

A: Buffers are mixture of either weak acid and it's conjugate base or weak base and it's conjugate…

Q: None

A:

Q: What is the [H3O+] of a solution that is pH 4.2?

A: Solution of question given below.

Q: Which of the following salt solutions is a slightly basic solution? OA. none of these are basic…

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

Q: 10. Which of the following com JUSTIFY why. a. HCI and NaCl b. CH3COOH and KCH c. H₂S and NaHS

A:

Q: In a 2.4 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

A: The ionization reaction of weak monoprotic acid HA is: HA⇌H++A-Initial concentration…

Q: Which of the following is a buffer? Why or why not? Can you give the components responsible for its…

A:

Q: 14. Each of the following mixtures can produce an effective buffer solution EXCEPT: (Explain your…

A: Buffer solutions are formed when weak acids or weak bases combine with their conjugate base or…

Q: How many mL of 0.500 M NaOH are needed to titrate 37 mL of .250M H2SO4?

A: The volume of the H2SO4 solution, VH2SO4 = 37 mLThe molarity of the H2SO4 solution, MH2SO4 = 0.250…

Q: Which of the following pairs of substances can NOT be used to make a buffer solution? a. HF & KOH…

A: Buffer systems are used in chemical systems to maintain the pH of the system constant. They are…

Q: What is the pH of a solution containing a mixture of 0.050 M HC2H3O2 and 0.025 M NaC2H3O2?  (Ka =…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: 2NH, Na o+ 3H2 0 Le Chatelier's principle predicts that the moles of H, in the reaction container…

A: Le chatellier's principal give the information about the direction of reaction shift by any changing…

Q: If the pKa of the indicator is approximately 6, to which of the following equivalence point will it…

A: Given, pKa = 6 At equivalence point,  pH = ?

Q: Which of the following salts would be more soluble in acidic solution than in neutral water? A.…

A: The dissolving capacity of any component in fix amount of liquid is referred as solubility and the…

Q: 5. The function of a buffer is to:

A: Buffer is a solution which has the ability to keep the pH of a solution unchanged when an acid or…

Q: A solution that contains a weak acid and its conjugate base in roughly equal concentrations is A.…

A:

Q: Which of the following pairs of substances can be used to make a buffer solution? O a. NH3 &…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .   it…

Q: 6. Indicate whether the following make buffer systems? Make sure to explain your answer. a. HC2H3O2…

A: A buffer solution maintains a constant pH upon addition of a small amount of strong acid or strong…

Q: The figure below is a graph of a sodium borate-boric acid buffer solution. Refer to the following…

A: Answer 2 : As the amount of base is increased it neutralize more amount of acid hence the…

Q: In a 2.1 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

A: Let c be the initial concentration of weak monoprotic acid HA and α be its degree of ionization.…

Q: Which of the following systems will make a buffer solution? System A: NH4OH/NH4CI System B:…

A: Here we are required to find the solution which can form buffer.

Q: In a 2.1 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

A:

Q: What is the pH of the solution that is prepared when 121 g piperidinium chloride salt is dissolved…

A: Answer - The correct option is (d) 9.2 Solution -

Q: The ion product constant for water is 3.8x10-14 at 40°C. a. What is the pH of pure water at 40°C? b.…

A:

Q: For each compound on the left, which compound on the right can be combined with it to generate a…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: 1) Buffers are mixtures of A. Strong acid and strong base B. Strong acid and weak base C. Weak acid…

A: The solution which resists it's pH by adding small amount of strong acid (or) strong base is…

Q: This curve represents titration of a. base with Kal < Ka2 b. base with Kbl < Kb2 C. acid with Kal <…

A:

Q: Which of these combinations woud make a good buffer solution?  a. KClO3, HClO3 b. HCOOH, RbHCOO…

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Q: You are given a diprotic acid H₂A. 10.00 mL of this acid solution of 0.0200 M is titrated with NaOH…

A:

Q: . Which of the following combinations would act as buffered solutions?a. HCl and NaClb. CH3COOH and…

A: A buffered solution is made by weak acid  and its conjugate base .   a) HCl and NaCl The given…

Q: Which of the following pair cannot make a buffer solution? O HF/ LiF O NH2OH/ NH3 ONAHSO3/ NazSO…

A: Buffer solution :- A solution which resists change in it's pH value by the addition of small amount…

Q: Which combination below would form a buffer solution? Circle your choice. NaOH and HNO3 c. HCI and…

A: Dear student I have given answer to your question in the image format.

Q: 7. Which of the corresponding salts will produce a basic solution? а. NaHSOA b. КCN c. MgCl2 d.…

A: Identify Salt that makes basic solution in water.   As per the Guidelines of the Q&amp;A Platform, I…

Q: You have a buffer composed of HCO3- and CO32-. Which ion handles a base stress (OH-)? a. HCO3- b.…

A:

Q: Which of the following constitute a buffer? A. NH3 and KNO3 B. HCN & NaCN C. HF & NaCl…

A: The NH3 form buffer when it mixed with NH4X (where X- ion comes from strong acid). The HF form…

Q: 4. a. What is the pH of 0.002 M NAOCI solution? Ignore I effect. pKa for HOCI = 7.5 b. What are the…

A:

Q: What is the pH of a solution containing a mixture of 0.050 M HC2H3O2 and 0.025 M NaC2H3O2?  (Ka =…

A: Using fomula of pH of buffer solution we can solve this problem.

Q: Which of the following can be a buffer system? a. H3PO4- or HPO2- b. NH3 or NH- c. CH3COOH or…

A: BUffer is a solution which resist a change in its pH upon addiiton of a base or an acid.

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.