What is the pH of a buffer solution that is 0.33 M propionic acid and 0.55 M sodium propionate?

Q: If a buffer is present at a pH of 4.8 and the buffer is then diluted, does the pH of the buffer…

A: If a buffer is present at a pH of 4.8 and the buffer is then diluted, the concentration changes. But…

Q: An aqueous solution is prepared to be 0.232 M in sodium nitrite and 0.101 M in acetic acid. (1) Is…

A: An aqueous solution is prepared to be 0.232 M in sodium nitrite and 0.101 M in acetic acid. 1) Is…

Q: When a 20.6 mL sample of a 0.423 M aqueous acetic acid solution is titrated with a 0.436 M aqueous…

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

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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: An aqueous solution is prepared to be 0.221 M in sodium formate and 0.113 M in benzoic acid. (1) Is…

A: Solution:   (1):   Yes, it is a buffer solution. (2nd) and (3rd) part are solved in step no. 2 which…

Q: a buffer is prepared by adding 39.8 mL of .75 M NaF to 38.9 mL of .28 M HF. what is the pH of the…

A: The volume of NaF = 39.8 mL . The volume of HF = 38.9 mL.  The concentration of NaF = 0.75 M . The…

Q: A buffer solution is 0.453 M in KH2PO4 and 0.271 M in K2HPO4. If Ka for H2PO4- is 6.2x10^-8, what is…

A: Buffer solutions show resistance to change its pH upon addition of strong acids or bases, which is a…

Q: A 36.0 ml. sample of a 0.446 M aqueous hypochlorous acid solution is titrated with a 0.205 M aqueous…

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Q: How does the buffer solution absorb the added H+ and OH- to make the pH change very small?

A: A buffer can be acidic or basic in nature. A buffer that contains a weak acid with its conjugate…

Q: what is the ph of a buffer solution composed of 0.50m formic acid and 0.70m sodium formate

A: Answer: 3.90  Given buffer solution contains formic acid,  HCOOH , a weak acid, and sodium formate,…

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: 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: 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: When a 20.6 mL sample of a 0.394 M aqueous hypochlorous acid solution is titrated with a 0.328 M…

A: volume of HClO = 20.6 mL = 0.0206 L  Molarity of HClO = 0.394 M Molarity of  NaOH = 0.328 M For…

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

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Q: What is the pH of a buffer solution containing 0.25 M acetic acid and 0.030 M sodium acetate?

A: The pKa of acetic acid=4.76 Given: The concentration of acetic acid [CH3COOH]=0.25 M  The…

Q: what is the pH

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

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Q: Calculate the pH of a buffer solution that is 2.00 M in phosphoric acid and 1.50 M in potassium…

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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,…

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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: 100. mL of 0.200 M HCl is titrated with 0.250 M NaOH.What is the pH of the solution after 50.0 mL of…

A: The reaction of HCl and NaOH is written below. HCl + NaOH→ NaCl +H2O The number of moles of base is…

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 is 0.080 M in lactic acid (Ka = 1.8 × 10−4) and 0.070 M in sodium lactate. The pH…

A: The pH of the buffer solution is find out using the Henderson-Hasselbalch equation. This equation…

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: The pOH of an acidic buffer is 9.725. What is the Ka of the acid if the ratio of [ionized] to…

A: pOH = 9.725  Ratio  = 1380

Q: Calculate the pH of the buffer system made up of 0.15 M NH3NH3/0.35 M NH4ClNH4Cl.

A: The Henderson hasselbalch equation for calculation of pH of a buffer is pH = pKa + log[base][acid]…

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

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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: A buffer solution contains 0.413 M ammonium bromide and 0.267 M ammonia. If 0.0299 moles of…

A: Given, The concentration of ammonium bromide is 0.413 M The concentration of ammonia is 0.267 M…

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

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Q: Which solution has the greatest buffer capacity? Which solution can react with the largest amount…

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

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: 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 0.443 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: If a buffer solution is 0.270 M in a weak acid (Ka = 7.5 x 10) and 0.570 M in its conjugate base,…

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Q: Explain how to choose the appropriate acid-base indicator for the titration of a weak base with a…

A: Acid base indicators are used to determine whether the solution is basic (alkaline), acidic or…

Q: A buffer solution contains 0.268 M ammonium chloride and 0.311 M ammonia. If 0.0169 moles of…

A: Given -> Molarity of NH4Cl = 0.268 M Molarity of NH3 = 0.311M Moles of HI = 0.0169 mole Volume of…

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: A 10 ml sample of 0.25 am acetic acid is titrated with 0.1 KOH solution calculate ph after volume of…

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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: An aqueous solution is prepared to be 0.405 M in sodium fluoride and 0.261 M in acetic acid . (1) Is…

A: Given 0.405 M in sodium fluoride and 0.261 M in acetic acid . Add HBr 0.133 moles in 1L solution

Q: what is the pH?

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

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 225 mL of a 0.332 M hydrocyanic acid…

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Q: a. Suppose a solution contains 0.50 M NaHPO4 and 0.80 M NazHPO4. What pH should be expected for this…

A: Recall Henderson Hasselbalch equation to calculate pH of the given buffer solution          pH=pKa +…

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.