A buffer solution is 0.452 M in HClO and 0.357 M in KClO . If Ka for HClO is 3.5×10-8 , what is the pH of this buffer solution?

Q: 1. A buffer solution of pH 7.30 will be prepared from 50.00 mL solution of 0.075 M NaH₂PO4 (K₂ =…

A: Given : pH = 7.30 Ka = 6.3 ×10^-8 Molar mass of NaH2PO4 = 119.0 g/mol Volume = 50.00ml Moles of…

Q: Quinoline, CoH,N (MW = 129, pK, = 9.5) is used as a preservative for anatomical specimens and to…

A: Answer: Given that: pKb=9.5 As,  -logKb=pKb-logKb=9.5logKb=-9.5on taking antilogKb=3.16×10-10…

Q: HX (M = 150. g/mol) and HY (M = 50.0 g/mol) are weak acids. A solution of 12.0 g/L of HX has the…

A: Given data: The molar mass of HX = 150. g/mol. The molar mass of HY = 50.0 g/mol. The mass of HX =…

Q: Consider the ionization of the 0.134 M carbonic acid, H₂CO,. H2CO3 + H2O = HCO3 + H3O+ HCO3 + H2O =…

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Q: Which statement is False?  I     A 0.100 M solution of LiOH will have a pOH that is less than 7.…

A: 1) since LiOH is a base and will produce OH- ions in solution  hence the pH of base will be > 7…

Q: Determine the pH of a 1.0M solution of sodium acetate (NaC2H3O2). Ka = 1.8x10-5 for acetic acid.

A: Dear student,  As you have asked multiple question but according to guidelines we will solve first…

Q: What is the pH of the solution formed when 125 mL of 0.200 M NaOH is added to 250. mL of 0.500 M…

A: Since we are entitled to answer up to one question, we’ll answer the first question as you have not…

Q: What is the pH of a solution that is 0.12 M in HOCl and 0.20 M in NaOCl?  Ka of HOCl is 3.5 x 10-8…

A: Given, 0.12 M in HOCl and 0.20 M in NaOCl

Q: 6. Calculate the pH of each of the following. a. A 0.045 M solution of HOCI (Ka = 3.5 x 10-8) b. A…

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Q: Which of the following solutions will have the lowest pH value? A.) 0.10 M HNO3 B.) 0.03 M H2SO4…

A: Given acids: A.) 0.10 M HNO3 B.) 0.03 M H2SO4 C.) 1.0 M HCN (Ka = 4 X 10-10) D.) 2.0 M…

Q: Calculate the pH of a solution when 10.00 mL of 0.1000 M NaOH is added to 20.00 mL of 0.1000 M…

A: Given: Concentration of CH3COOH = 0.100 M Volume of CH3COOH solution = 20.00 mL = 0.020 L…

Q: A 500.0 ml solution of a buffered solution has a pH = 7.4 a. What is the [H3O+]? b. If a few of…

A: pH:The  is a unit of measure which describe the degree of alkanity or acidity of a solution.

Q: What is the pH of a solution that is 0.100 M NH3 and 0.350 M NH4CI? Kb of NH3 = 1.8 x 10-5 9.26 9.80…

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Q: Calculate the pH of the solution that results when 15.0 mL of 0.1790 M formic acid ( Ka(HCOOH) =…

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Q: Given Ka for HNO2 = 5.0 * 10 ^ - 4 1. What is the pH after the reaction of 30.0 mL of 0.25 M HBr…

A: Q1) According to the law of equivalence, an acid exactly neutralizes the same number of equivalents…

Q: LIOH+HNO3 → H₂O + Li NO3 200.0 mL of a 0.100 M solution of LiOH is mixed with 250.0 mL of a 0.100 M…

A: The question is based on the titrations. we are titrating a strong acid nitric acid with a strong…

Q: What is the pH of a solution that is 0.0100 M HCN and 0.0200 M in NaCN? Ka (HCN) = 6.2 x 10-10..…

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Q: t is the pH of a 0. M solutI 350 M solution of NaOH is added? The K, of HA is 4.3 x 10-4.

A: We have to tell which option is correct from given choices of options by telling what is the pH of…

Q: 1. K, for vitamin C (also known as ascorbic acid, CH,O.) is 8.0 x 10. If 13.5 g of vitamin C is…

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Q: What is the pH of a solution that is 0.250 M in KH2PO4 and 0.600 M in K2HPO4

A: Given -> [KH2PO4] = 0.250 M  [K2HPO4] = 0.600 M

Q: 4. What are the equilibrium concentrations of all species and the pH of a 0.20 M solution of HF…

A: The question is based on common ion effect.  Due to common ion effect of F- equilibrium of HF shift…

Q: If 31.4 mL of a 0.75 M NaOH solution is added to a 47.1 mL sample of a 0.75 M weak acid, HA, what is…

A: Molarity of NaOH, M=0.75 M Volume of NaOH, V=31.4 mL Millimoles of NaOH=M x V (in mL)= 0.75 x 31.4…

Q: This compound is a weak organic base: C18H21O3N + H2O C18H21O3NH+ + OH-…

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Q: a. What is the hydroxyl concentration of the ammonia solution? b. What is the pOH of the ammonia…

A: Given: Volume of ammonia solution= 300ml Concentration of ammonia solution= 0.05M The density of the…

Q: None

A: For this problem, we're given a buffer solution composed of a weak acid (HA) with a dissociation…

Q: The pH of a solution of 19.5 g of malonic acid in 0.250 L is 1.47. The pH of a 0.300 M solution of…

A: 1- We will determine the first Ka1 :  a) Determine H+ ion concentration ;  [H+] = 10-pH   [H+] =…

Q: 1) Consider HA (a strong acid) and HB (a strong base).  a. Write a balanced chemical reaction for…

A: Strong acid ionizes completely and increase H3O+ in aqueous solution. HA being a string acid it…

Q: 4. Calculate the pH of an aqueous solution containing 6.32x109 H3O* ions per liter.

A:

Q: The Ka of an acid is known to be 1.51 X 10^-5. A solution is made by adding 0.279 mol of the acid to…

A: Hello, we are supposed to answer first three sub-parts of a question as per our solution authoring…

Q: What is the OH- concentration in 0.5 M NH4Cl (aq)? (Ka of NH4+ = 5.6 X 10-10) A.) 5.6 × 10-10 M…

A: Given: Concentration of NH4Cl = 0.5 M Since NH4Cl is a completely soluble salt that will dissociate…

Q: 3. The pH of a 0.10 MHOB solution is 4.8. a. What is [H*] in that solution? _M b. What is [OBr ]?…

A: a. Given that : pH of HOBr= 4.8 Also, we know that : pH = -log[H+] 4.8 = -log[H+] On solving, [H+] =…

Q: 1. Calculate the change in pH when 5.00 mL of 0.0100 M HNO3 is added to 50.0 mL of water. 2. Write…

A: 1) Given, V1 = 5 mL = 5 × 10-3 L M1 = 0.0100 M Molarity, M = number of moles / volume in L,…

Q: Sodium nitrite (NaNO2) is known as a food additive used in processed meats. When sodium nitrite is…

A:

Q: 7. Consider a solution which is 0.1 M in CH3COOH and 0.2 M in NaCH₂COO A. If NaOH is added, the OH…

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Q: 4. A 0.30 M solution of a salt NaA has pH-8.11. What is the value of K, for the parent acid HA? 5. A…

A: The objective of the question is to determine the value of  for the parent acid HA.It is given…

Q: 21 . Calculate tl a. 0.100 M b. 0.100 M C. pure H,C с. d. a mixtur

A: (A)We know for propanoic acid the dissociation equation is given as…

Q: A solution containing 2.60 x 10-3 moles of HCl and 3.32 x 10-3 moles of NaOH into a container and…

A: Given:- For a solution in a container,  No of moles of HCl = 2.60 x 10-3 No of moles of NaOH = 3.32…

Q: 3. How many moles of hydroxide will be leftover if I add 100 mL of 0.5 M solution of KOH to 50 mL of…

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Q: H,A is a diprotic acid, for which K, = 5.7 × 10* and K,2 = 1 × 1o ". Determine the concentration of…

A: Given: Ka1=5.7×10-8Ka2= 1×10-19[H2A]= 0.10M To find: The concentration of A2-

Q: HASO HNO2 K = 5.0 x 10-3 K = 4.5x 104 1. You have a solution containing 70.0 mL of 0.40 M HASO and…

A: H3AsO4  is a weak acid. The solution of weak acid and its salt is called a buffer solution. The pH…

Q: Which of the following is true for a buffered solution?   a. The solution resists change in its…

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

Q: Calculate the change in pH that occurs when 1.0 g NaOH is added to 250 mL of each of the following…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 4. Solution of 0.1 M NaHSO4 a. Equilibrium reaction b. Equilibrium constant expression: Ka = 1.2 x…

A: using the ionic equilibrium, kb=kwkakw=1.0×10-14ka=1.2×10-2   Kb=0.833×10-12 using this find the…

Q: HCN is a weak acid (?a=6.20×10−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: First write down the reaction between KCN and H2O. Then find OH- or H3O+ and using that find pH of…

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.