A buffer volution is prepared by adding s.50 g of ammonium chloride and o.0188 mol of ammonia to enough water to make i55 mL of volution. a) What is the pi of the ouffer?

Q: I need 30 mL of a buffer solution with a volume ratio of 6:1 acid:base. How do I calculate how much…

A: Given, Volume of buffer = 30mL volume ratio of acid:base = 6:1 Buffer solution:  It consists of…

Q: What is the concentration(M) of nitric acid if it takes 42.7mL of 0.250M barium hydroxide to…

A:

Q: Q3) How many grams of CH3COONA must be added to 300 ml 0.01 M CH3COOH to produce a buffer solution…

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Q: The pH of a solution made by mixing 50.0 mL of 0.13 molar B, a weak base, with 20.0 mL of 0.19 M HCl…

A: The pOH of a solution by mixing weak base and HCl is calculated as,

Q: How many milliliters of 0.0854 M NaOH are required to titrate 25.00 mL of 0.1250M HI to the…

A: The quantity of titrant applied is just enough that totally neutralize the analyte solution at the…

Q: the pH of the solution?

A:

Q: An aqueous solution contains 0.464 M hypochlorous acid.How many mL of 0.364 M sodium hydroxide would…

A: The reaction between the sodium hydroxide and hypochlorous acid as shown below. At standard…

Q: QUESTIONS 1. Define the terms acid, base, pH, endpoint, and titration. Ans on back poge 2. Should…

A: In the definition of end point, the word where the amount of titration should be replaced by…

Q: What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL of a solution with a pH of…

A: Given that: Molarity of HBr = 8.84 M Volume of solution (Vsol) = 300.0 mL = 0.3 L pH = 2.97 Volume…

Q: A 25.00-mL sample of an HNO3 solution is titrated with 0.102 M NaOH. The titration requires 28.52 mL…

A: The acid base reaction is HNO3 + NaOH -------> NaNO3 + H2O  Equivalent moles of acid and base…

Q: A solution is prepared by adding 31.56 grams of NaCN and 22.30 grams HCN to 600.0mL of water. i.…

A: First Calculate mole of each NaCN and HCN by dividing Molar mass to mass. Use Acidic buffer equation…

Q: An aqueous solution contains 0.464 M hypochlorous acid.How many mL of 0.364 M sodium hydroxide would…

A: The reaction as follows,

Q: what is the pH?

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Q: A solution of oxalic acid is used to titrate 17.11 mL of a 0.5003 molar: sodium hydroxide. If the…

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Q: The antacid TUMS" was titrated using 0,3 M HCI. The buret reading was initially 0.91 mL. After…

A: The antacid TUMS was titrated using 0.3M of HCl . Given,   Initial burette reading is 0.91 mL .…

Q: How many ml of NaOH stock solution have been added to establish the buffer?

A: To prepare the desired buffer solution, at first, an acetic acid solution was taken and NaOH was…

Q: Buffer capacity is a measure of a buffer solution's resistance to changes in pH as strong acid or…

A: Given, Buffer=195 mL of 0.500 M hydrofluoric acid (HF)M1=0.500 MV1=195 mLM2=0.190 M HClV2=?

Q: |What is the concentration(M) of nitric acid if it takes 18.56ml of 0.1500M strontium hydroxide to…

A: Given: Molarity of Sr(OH)2  is 0.1500 M Volume of Sr(OH)2 is 18.56 mL Volume of acid is 15.00 mL To…

Q: If a buffer solution is 0.200 M in a weak base (Kb=7.4×10−5) and 0.450 M in its conjugate acid, what…

A: Calculate the pOH value of the given buffer solution,            pKb = - log Kb = -log (7.4 × 10-5)…

Q: What volume in mL of 0.1354 M Naoh is required to titrate 15.00 mL of 0.1002 m acetic acid (HAc) ?

A: The molarity is a concentration measurement and can be given b the formula  Molarity=Number of moles…

Q: A solution containing 1.00 g NaCH3CH(OH)COO in 100.0 mL of 0.0500M CH3CH(OH)COOH has a pH of 4.11.…

A: The given problem can be solved by using Henderson-Hasselbalch equation as; pH=pKa + log SaltAcid…

Q: If a buffer solution is 0.290M in a weak acid (K = 7.2 x 10) and 0.600 M in its conjugate base, what…

A: By using this formula we can calculate the pH of solution .

Q: If a buffer solution is 0.260 M in a weak base (Kb=8.4×10−5) and 0.480M in its conjugate acid, what…

A:

Q: what is the pH?

A: Given :-  Concentration of weak base = 0.120 M  Concentration of conjugate acid = 0.590 M  Kb = 5.9…

Q: what is the pH

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Q: You want to prepare a buffer solution with pH equal to 3. How many grams of NaF (41.99 g/mol) should…

A: In this, we need to find oute moles of NaF first. Using that moles and molar mass for NaF, calculate…

Q: How many grams of solid ammonium chloride should be added to 0.500 Lof a 0.239 M ammonia solution to…

A: The given information is: Volume of the solution = 0.5 L Concentration of the solution = 0.239 M pH…

Q: Complete the following: а. The conjugate base for NH3 b. The conjugate acid for NH3 What substance…

A: Bronsted -Lowery acid-base theory:  Bronsted acid: proton donar  Bronsted base: proton acceptor…

Q: How much 0.500 M NaOH should be added to 12.0 g of tris hydrochloride to reach pH 7.77 in a final…

A: Given, Molarity of NaOH = 0.5 MAmount of tris-hydrochloride (T-HCl) = 12 gFinal pH = 7.77Final…

Q: What is the purpose of buffering?

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Q: If a buffer solution is 0.250 M in a weak acid (?a=2.3×10^−5) and 0.440 M in its conjugate base,…

A:

Q: For biological buffer systems, buffer acids capacity is usually greater than buffer bases capacity.…

A: A biological buffer is an organic substance in our body that helps in maintaining the body at the…

Q: what volume of sodium hydroxide (0.122M) is needed to titrate 19.83mL of perchloric acid (HClO4)…

A: The reaction between sodium hydroxide (a strong base) and perchloric acid (a strong acid) is an…

Q: What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL of a solution with a pH of…

A: Given data of the following, M1 = 8.84 M , V1 = ? For second case, pH = 3.15, V2= 300.0 ml

Q: A solution containing 15.0mL of 4.00MHNO3 is diluted to a volume of 1.00L. What is the pH of the…

A: The given volume and molarity of HNO3 are 15.00 mL and 4.00 M. The given volume of diluted solution…

Q: A solution is made by mixing 50 mL of 2.0 M K2HPO4 and 25 mL of 2.0 M KH2PO4. The solution is…

A: The relation between the pH of aqueous solution and acid-dissociation is given by the…

Q: A volume of 25.0 mL of 2.75 M HCl, is to be titrated with 1.025 M strong base, B(OH)2. Calculate the…

A: The strength of an acid solution is determined by titrating it against a standard base solution or…

Q: For the titration exp., the pH of the vinegar used was found to be 2.45 which is equivalent to 0.700…

A: Number of moles of solute to the volume of solution in liters is known as molarity.

Q: 2.30 mL ofa 0.4375 M HCl solution are added to 35 mL of 0.250 NAOH solution. What is the final pH?

A: An acid HCl and base NaOH undergo neutralization reaction to form salt NaCl and water. For the given…

Q: The pH of a buffer is higher than the pH at which it would have the greatest buffering capacity in…

A: Buffer solution is a solution of weak acid and conjugate base OR weak base and conjugate acid which…

Q: An aqueous solution contains 0.484 M methylamine (CH3NH2). How many mL of 0.388 M perchloric acid…

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Q: If a buffer solution is 0.180 M in a weak base (Kb=7.5×10−5) and 0.400 M in its conjugate acid, what…

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Q: E. Calcuiate the pH of a soltition made up by adding0.100g of NaOH to 250.0 mL of a 0.200 M solution…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Your facilitator asked you to prepare 450-mL of a buffer solution having a pH of 10.45 composed of…

A: The Answer to the following question is-

Q: How many mL of 0.500 M NaOH should be added to 10.0 g tris HCI to give a pH of 7.60 in a final…

A: Here is your answer...........

Q: Which of these conjugate acid–base pairs will not function as a buffer:C2H5COOH and C2H5COO-, HCO3-…

A: When an acid donates a proton then it changes into base and when base accept a proton it forms an…

Q: 125 mL of 0.3 M HC1 was mixed with 320 mL of 0.15 M NaF. What is the pH of the solution after…

A: Given data : Concentration of HCl = 0.3 M Volume of HCl = 125 mL Concentration of NaF = 0.15 M…

Q: what is the pH?

A: Given :-  Concentration of weak acid = 0.250 M  Concentration of conjugate base = 0.450M  Ka = 5.9 ×…

Q: What volume in mL of 0.1152 M NaOH is required to titrate 15.00 mL of 0.1073 M acetic acid (HAc)?

A: