How many moles of sodium hydroxide would have to be added to 225 mL of a 0.316 M acetic acid solution, in order to prepare a buffer with a pH of 4.530?  moles

Q: The K, of hydroxylamine, NH,OH, is 1.10 x 108. A buffer solution is prepared by mixing 100.0 mL of a…

A: A buffer solution is a mixture of a weak acid and its conjugate base or a weak base and its…

Q: How many moles of sodium hydroxide would have to be added to 150 mL of a 0.368 M hydrofluoric acid…

A: When sodium hydroxide (NaOH) reacts with hydrofluoric acid (HF), the following reaction takes place:…

Q: An aqueous solution contains 0.459 M hydrofluoric acid. How many mL of 0.379 M sodium hydroxide…

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Q: A buffer solution contains 0.345 M NAHSO3 and 0.436 M Na,SO3. If 0.0273 moles of perchloric acid are…

A: Please find the answer attached .

Q: How many grams of solid ammonlum chloride should be added to 0.500 L. of a 0.128M ammonia solution…

A: Given:Buffer solution of ammonium chloride and ammonia solution. Ammonia solution = 0.128M Volume of…

Q: A buffer solution contains 0.447 M hypochlorous acid and 0.236 M potassium hypochlorite. If 0.0335…

A: Given the molarity of hypochlorous acid, HClO = 0.447 M Molarity of sodium hypochlorite, NaClO =…

Q: How many moles of sodium hydroxide would have to be added to 225 mL of a 0.404 M nitrous acid…

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Q: buffer solution contains 0.370 M hydrofluoric acid and 0.334 M potassium fluoride. If 0.0362 moles…

A: When a weak acid and its salt are present in a solution,they form a buffer solution.The pH of…

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: An aqueous solution contains 0.348 M nitrous acid. How many mL of 0.236 M sodium hydroxide would…

A:

Q: pH

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Q: How many moles of potassium hydroxide would have to be added to 150 mL of a 0.363 M hydrocyanic acid…

A: Buffer solutions are the solutions containing a mixture of weak base and its conjugate acid or a…

Q: When a 19.4 mL sample of a 0.395 M aqueous acetic acid solution is titrated with a 0.345 M aqueous…

A: Given, Volume of acetic acid = 19.4 mL Concentration of acetic acid = 0.395 M Volume of KOH = 33.3…

Q: How many moles of NH4Cl must be added to 2.0 L of 0.10 M NH3 to form a buffer whose pH is 9.00?…

A: This problem can be solved by using Henderson Hasselbalch equation of pH according to which :…

Q: An aqueous solution contains 0.339 M nitrous acid. How many mL of 0.370 M sodium hydroxide would…

A:

Q: How many moles of NH4Cl must be added to 2.0 L of 0.10 m NH3 to form a buffer solution with a pH of…

A: Formula used :-  . pOH = pKb + log[salt]/[base] . pH + pOH = 14

Q: An aqueous solution contains 0.494 M ethylamine (C2H5NH2). How many mL of 0.206 M hydroiodic acid…

A: Given data,Molarity of ethylamine=0.494MMolarity of HI=0.206MVolume of buffer=225mL=0.225LpH=10.6…

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: When a 19.3 mL sample of a 0.316 M aqueous acetic acid solution is titrated with a 0.448 M aqueous…

A:

Q: How many moles of potassium hydroxide would have to be added to 250 mL of a 0.417 M acetic acid…

A: Use acidic buffer equation to get mole of KOH Acidic buffer is weak acid and salt with strong base

Q: A buffer solution contains 0.476 M ammonium bromide and 0.339 M ammonia. If 0.0340 moles of…

A:

Q: A buffer solution contains 0.444 M NaHSO3 and 0.246 M K2SO3. If 0.0239 moles of potassium hydroxide…

A:

Q: A buffer solution contains 0.472 M hydrocyanic acid and 0.249 M sodium cyanide. If 0.0290 moles of…

A:

Q: How many moles of potassium hydroxide would have to be added to 225 mL of a 0.478 M acetic acid…

A: Here KOH was added in acetic acid. pKa of acetic acid is 4.75 Now, 225mL 0.478M CH3COOH =…

Q: What is the pH of buffer that is 0.175 M in a weak acid and 0.200 M in the acid's conjugate base?…

A: Given data, Molarity of weak acid=0.175MMolarity of conjugate base=0.200MKa=5.7×10-4

Q: An aqueous solution contains 0.345 M dimethylamine ((CH3)2NH). How many mL of 0.370 M hydroiodic…

A:

Q: buffer solution contains 0.285 M ammonium chloride and 0.354 M ammonia. If 0.0259 moles of…

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Q: A buffer solution contains 0.462 M hypochlorous acid and 0.257 M potassium hypochlorite. If 0.0234…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: Calculate the pH of a buffer system containing 1.5 M NH3 and 1.5 M NHẠCI. (K, of NH, the acid in…

A:

Q: An aqueous solution contains 0.396 M ethylamine (C2H5NH2). How many mL of 0.268 M perchloric acid…

A:

Q: Calculate the pH of the following buffers:a) A solution containing 0.425 molar benzoic acid and…

A: Calculate the value of pKa: Ka of benzoic acid is 6.50 × 10-5.

Q: There are 250 ml of a Buffer solution, where the concentration is 0.225 M of acetate of sodium and…

A: Buffer solution is a mixture of weak acid and it's conjugate base or a weak base with its conjugate…

Q: An aqueous solution contains 0.413 M hydrocyanic acid. How many mL of 0.319 M potassium hydroxide…

A:

Q: A buffer solution contains 0.344 M ammonium chloride and 0.387 M ammonia. If 0.0207 moles of sodium…

A:

Q: A student has available 1L of a buffer solution: 0.55M acetic acid and 0.45 M sodium acetate. What…

A: A student has available 1L of a buffer solution: 0.55M acetic acid and 0.45 M sodium acetate. The pH…

Q: An aqueous solution contains 0.313 M nitrous acid. How many mL of 0.351 M potassium hydroxide would…

A:

Q: A buffer is prepared by adding 115 mL of 0.30 M NH3 to 135 mL of 0.15 M NH4NO3. What is the pH of…

A: A buffer is prepared by adding 115 mL of 0.30 M NH3 to 135 mL of 0.15 M NH4NO3. The pH of the final…

Q: How many moles of sodium hydroxide would have to be added to 125 mL of a 0.376 M hydrocyanic acid…

A: Ka of HCN = 6.2 × 10-10 pka = -log(ka) = 9.2

Q: Suppose 1.44 0.150 M benzoic acid solution. Calculate the pH of the resulting buffer solution as-…

A:

Q: There are 0.250 ml of a Buffer solution, where the concentration is 0.225 M of sodium acetate and…

A: In order to find the change in pH, we have to find both the initial and final pH.  Hence change in…

Q: An aqueous solution contains 0.496 M hydrocyanic acid. How many mL of 0.250 M potassium hydroxide…

A:

Q: An aqueous solution contains 0.443 M hypochlorous acid. How many mL of 0.213 M potassium hydroxide…

A: Given,  [HClO] = 0.443 M  [KOH] = 0.213 M  Volume of the solution = 125 mL  pH of buffer = 7.530…

Q: A buffer sSolution contains 0.388 M ammonium bromide and 0.290 M ammonia. If 0.0311 moles of sodium…

A:

Q: What is the pH of a buffer solution that is 0.24M NH3 and 0.20M NH4Cl?

A: Given,Concentration of NH3 = 0.24 MConcentration of NH4Cl = 0.20 MAmmonia (NH3), is a weak base with…

Q: Calculate the pH of the buffers prepared in the following ways: a. by mixing 50.00 mL of 0.200 M…

A: As you have posted multiple subparts in 1 question, hence we are solving only first 3 subparts for…

Q: When a 27.5 mL sample of a 0.323 M aqueous hypochlorous acid solution is titrated with a 0.484 M…

A: Since both acid and base are strong in nature hence they both will react immediately. Since moles of…

Q: How many moles of sodium hydroxide would have to be added to 125 mL of a 0.301 M hypochlorous acid…

A: Given that : The volume of hypochlorous acid = 125 mL The molarity of hypochlorous acid = 0.301 M pH…

Q: How many moles of sodium hydroxide would have to be added to 150 mL of a 0.479 M hypochlorous acid…

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