An aqueous solution contains 0.313 M nitrous acid. How many mL of 0.351 M potassium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 3.880? mL

Q: A buffer solution contains 0.239 M acetic acid and 0.420 M potasslum acetate. If 0.0243 moles of…

A:

Q: An aqueous solution contains 0.370 M nitrous acid. How many mL of 0.236 M potassium hydroxide would…

A: Solution: We know nitrous acid (HNO2) is a weak acid and KOH is the strong base. So they can form…

Q: An ammonia buffer contains 0.4 moles of ammonia and 0.6 moles of NH4+ ION. PKa is 9.25. what will be…

A: Given: Moles of NH3 = 0.4 moles Moles of NH4+ = 0.6 moles pKa of NH3 = 9.25 So we have to determine…

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 student was required to prepare 250.0 mL of a hypochlorous acid/sodium hypochlorite buffer in…

A: Given:  Volume of buffer solution = 250 ml  Concentration of weak acid = 0.076 M  Concentration of…

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: A buffer solution contains 0.457 M ammonium bromide and 0.335 M ammonia. If 0.0430 moles of sodium…

A:

Q: A buffer solution contains 0.420 M NaHCO3 and 0.262 M Na2CO3. If 0.0303 moles of potassium hydroxide…

A: Initially, the solution contains a weak acid (NaHCO3) and its salt with a strong base (Na2CO3).…

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: A 1.46 L buffer solution consists of 0.171 M butanoic acid and 0.341 M sodium butanoate. Calculate…

A: Given,  Volume of the buffer = 1.46 L  Molarity of butanoic acid = [Butanoic acid] = 0.171 M…

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: A buffer solution contains 0.341 M ammonium chloride and 0.298 M ammonia. If 0.0488 moles of…

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

A:

Q: How many moles of sodium hydroxide would have to be added to 225 mL of a 0.316 M acetic acid…

A:

Q: An aqueous solution contains 0.447 M dimethylamine ((CH3)2NH). How many mL of 0.246 M…

A: we need to find the volume of 0.246 M perchloric acid added to form the buffer solution with pH…

Q: A buffer solution contains 0.385 M ammonium chloride and 0.444 M ammonia. If 0.0433 moles of…

A: Kb for NH3 = 1.8×10-5

Q: A student was required to prepare 250.0 mL of a cyanoacetic acid/sodium cyanoacetate buffer in which…

A: Given: Volume of buffer = 250.0 mL. Concentration of weak acid available = 0.51 M Concentration of…

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: 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: A 48.9 mL sample of a 0.557 M aqueous hydrocyanic acid solution is titrated with a 0.423 M aqueous…

A: pH can be calculated as follows

Q: A buffer solution contains 0.345 M NaHSO3 and 0.430 M Na,SO3. If 0.0273 moles of perchloric acid are…

A: We will use buffer equation

Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 0.106 M ammonia solution to…

A: From the relation, pOH is calculated as,

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

A:

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: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.151 M ammonia solution to…

A: The pOH of the basic buffer solution is determined using the Henderson-Hasselbalch equation- pOH =…

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…

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Q: What is the effect of dilution on the pH of a buffer and the buffer’s capacity? explain

A: When we dilute the solution, the concentration of the substance will decrease.

Q: An aqueous solution contains 0.329 M methylamine (CH3NH2). How many mL of 0.305 M perchloric acid…

A:

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: 12.0 g of sodium acetate is added to 125 mL of a 0.83 M acetic acid solution. What is the pH of this…

A: pH of buffer solution is calculated by using Henderson Hassel balch equation

Q: Would a 0.010M buffer solution or a 0.10 M buffer solution have a greater buffering capacity for…

A: Buffers are used to resist the change in pH on the addition of a small amount base or acid.…

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

A:

Q: šolution contains 0.305 M hydrocyanic acid and 0.379 M sodium cyanide. If 0.0518 moles of potassium…

A: Given- Concentration of hydrocyanic acid=0.305M  Concentration of sodium cyanide =0.379M Moles of…

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

A:

Q: A buffer solution contains 0.386 M KHCO3 and 0.312 M Na,CO3. If 0.0356 moles of hydrobromic acid are…

A:

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 34.8 mL sample of a 0.542 M aqueous hypochlorous acid solution is titrated with a 0.325 M aqueous…

A:

Q: A 49.1 mL sample of a 0.362 M aqueous hypochlorous acid solution is titrated with a 0.305 M aqueous…

A: Given data: Volume of hypochlorous acid = 49.1 mL Molarity of hypochlorous acid = 0.362 M Molarity…

Q: A buffer solution contains 0.254 M NaHSO3 and 0.348 M Na2SO3. If 0.0285 moles of hydroiodic acid are…

A: Calculate the initial pH of the given buffer solution using Henderson-Hasselbalch equation,

Q: An aqueous solution contains 0.305 M methylamine (CH3NH2). How many mL of 0.365 M hydroiodic acid…

A: Interpretation-  To determine the volume ( mL) of 0.365 M hydroiodic acid would have to be added to…

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: A buffer solution contains 0.306 M KHSO3 and 0.376 M Na2SO3. If 0.0398 moles of nitric acid are…

A:

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…