How would prepare 750ml of 0.1M NaCl, 0.5M Tris-HCl solution given that you have 5M NaCl and 1M Tris-HCl buffer available?

Q: A 275-mL buffer is prepared of 0.30 M HCN and 0.20 M KCN. Calculate this buffer's capacity for H3O+.…

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Q: Generate a titration curve for the titration of 100 ml of 0.15M acetic acid    with 0.30M NaOH. Show…

A: The balanced equation for the reaction of acetic acid, CH3COOH and NaOH is: CH3COOH(aq) + NaOH(aq)…

Q: what is the concentration of HCl if it is titrated with a 0.2M concentration of NaOH. 19ml of NaOh…

A: The solution is given below -

Q: 2 consider the titration of 25.00ml of 0.08230M KI with 0.05110M AgNO3. Calculate pAg+ when 39.00mL…

A: Ans 1st convert ml to L  25 ml = 0.025L  and 39 ml= 0.039 L

Q: titrate 50 ml of 0.1 M HNO3 solution with 49 ml of 0.1 M KOH solution. a) Count the number of moles…

A: Answer:- This question is answered by using the simple concept of chemical reaction of strong acid…

Q: Describe how you would prepare 600 ml of 0.015 M sodium acetate buffer at pH 4.6 from a stock…

A: Given Values: Volume of the diluted buffer = 600 ml = 0.6 Liter Final concentration of sodium…

Q: A 350.0-mL buffer solution is 0.150 M in HF and 0.150 M in NaF. What mass of NaOH can this buffer…

A:

Q: 2) Calculate how you would prepare 1.000 / of a pH 9.50 buffer made from NH3 and NH,CI. You are…

A: Solution                             Given that  The calculated quantities of NH4Cl & NH3 need…

Q: In the titration of 50 mL of 0.1 M HCI with 0.1 M NaOH using methyl orange as an indicator, the end…

A: Answer: Indicator is a chemical substance that indicates the completion of titration by changing its…

Q: 4. Calculate the change in pH that results from adding 25 mL of 0.010F HCI to 500ml buffer solution…

A: Given,  [NH3] = 0.25 M  [NH4Cl] = 0.15 M  Volume of the buffer in mL = 500 mL  Volume of HCl added =…

Q: What is the region of titration reached upon adding 10mL of 0.25M AgNO3 to 50mL of 0.15M chloride…

A: Regions of titration can we determined by four ways first is when titrant is not added to the…

Q: Suppose there is 1.00 L of an aqueous buffer containing 60.0 mmol of benzoic acid (p?a=4.20) and…

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Q: A buffer is prepared by mixing 50.0 mL of 0.200 M NaOHwith 100.0 mL of 0.175 M acetic acid.a. What…

A: A buffer solution is made by adding 50 mL of 0.200M NaOH solution with 100 mL of 0.175M CH3COOH…

Q: A buffer with a pH of 3.93 contains 0.15 M of sodium benzoate and 0.28 M of benzoic acid. What is…

A: The pH of a buffer solution is given by,pH=pKa+log10conjugate base or saltacidmoles of benzoic…

Q: Calculate the volume of 0.120M hydrocyanic acid, HCN (K, -4.9 x 10-10) solution, needed to prepare…

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Q: What mass of ammonium chloride should be added to 2.55 L of a 0.155 M NH3 in order to obtain a…

A: The pH of a buffer solution can be calculated by using Henderson- Hasselbalch equation.

Q: An indicator (Ka = 1.0 x10°) where HInd is yellow and Ind is blue is added to 100.0 mL of 0.10 M…

A: Given: Indicator (Ka=1.0 x 10-9) Volume of 0.1 M HCL = 100 ml, Hind is yellow and Ind- is blue We…

Q: A buffer system is prepared that is 0.020 M in NH3 and 0.030M in NH4*. What is the concentration, in…

A:

Q: Describe how to mix up a buffer. Dissolve 1.20g of sodium dihydrogen phosphate and 0.885g of…

A: Please find the attachment.

Q: What mass of sodium benzoate should be added to 150.0 mL of a 0.15 M benzoic acid solution in order…

A: The mass of sodium benzoate that should be added to 150.0 mL of a 0.15 M benzoic acid solution in…

Q: Calculate the volume at equivalence point and subsequently the pAg when 35.5 mL of 0.125 M I- is…

A: I-(aq) reacts with Ag+(aq) of the titrant to form AgI(s) precipitate.  The balanced chemical…

Q: 00 mL of 0,1019 m NaOH solution prepared immediately after, the lid is left open and absorbs 0.652 g…

A: Molarity of NaOH after standardization = 0.1019 M Volume of NaOH=500.0 mL Mass of CO2 absorbed by…

Q: Using sodium acetate and acetic acid, describe how you would prepare 250mL of 0.50M Acetate buffer…

A: Henderson-Hasselbach equation. this equation shows the relationship between pH of a solution, the…

Q: What was the purpose of adding the indicat Two titrations ended with the pH well above 10 the other…

A: Indicators are the substances that are used normally in an acid-base titration, whose solution…

Q: Consider the titration of 50.0 ml. of 0.350 M NH3 (K, 1.74x10 5) with 100 mM HCI. What will the pH…

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer…

Q: Calculate the pH of 100.0 mL of a buffer that is 0.0700 M NH4CI and 0.110 M NH3 before and after the…

A: Henderson Hasselbalch equation pH of a buffer is calculated using  Henderson Hasselbalch equation.…

Q: How will you prepare 500 ml of 0.750 M citrate buffer with pH of 4.25 from solid citric acid…

A:

Q: The next 9 questions are related to the titration of 20.00 mL of a 0.0750 M acetic acid solution…

A: The equation for neutralisation reaction between acetic acid and KOH is:

Q: Preparation of 40 mL of an acetate buffer (pH 4.2)  0.2 M acetic acid (pKa = 4.8) and 0.2 M sodium…

A: pH is used to get the acidic or alkaline values of a solution. A buffer solution is one which…

Q: Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M HC1. Calculate the pH after the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Will CaSO4 precipitate if 50 mL of 0.0010 M CaCl2 is added to 50 mL of 0.010 M Na2SO4?

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Q: Shown in the graph below is the titration curve that results when 25.0mL 0.200M HClO is titrated…

A: a) Titration curve of a strong acid (HclO4) and strong base is shown below

Q: Calculate the pH of 100.0 mL of a buffer that is 0.0700 M  NH4Cl and 0.105 M  NH3 before and after…

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Q: Calculate the volume of 0.500 M HCOOH and 0.500 M HCOONa required to prepare 0.100 L of pH = 4.25…

A: The Henderson-Hasselbalch equation is given as,

Q: What is the pH of a buffer prepared by adding 0.708 mol of the weak acid HA to 0.305 mol of Na in…

A: Solution -

Q: You need to prepare 750ml of 300mM Tris-HCl pH 6.5 buffer that also contains 25 mM NaCl. How much do…

A: a. The buffer contains 300 mM of Tris-HCl

Q: (3) How will you prepare 500 ml of 0.750 M citrate buffer with pH of 4.25 from solid citric acid…

A: Molarity of buffer to be prepared [AH] = 0.750 M Volume of buffer solution = 500 ml pH of buffer…

Q: 2) Preparation of buffer solutions: a) Prepare 1000 mL of pH 5.50 acetate buffer solution from…

A: 2. a) Given that, an acetate buffer is prepared by 0.1000 M NaOH and 0.1000 M CH3COOH. The volume of…

Q: How many milliliters of 0.105 M HCl should be added to 200.0 mL of 0.010 9 M triethylamine to give a…

A:

Q: A second titration is performed using the same 0.250 M NaOH in a buret. This time 25.0 mL of anH2SO4…

A: The chemical equation for this reaction is:                    2NaOH + H2SO4→ Na2SO4 + 2H2O

Q: A 250.0-mg sample of an organic monoprotic weak acid was dissolved in an appropriate solvent and…

A: Ratio of number of gram equivalents present in the solution to the volume of the solution in liter…

Q: Draw the general shape of a pH curve for the titration of 10 mL of 5.0 M NaNH2(NH2-is a strong base)…

A: (a) The given titration is acid-base titration, MHCl      = 2MNaNH2 = 5VNaNH2  = 10 mL The balanced…

Q: Use an Excel spreadsheet to generate a titration curve for 50.00 mL of 0.0200 M ammonia (K = 1.76 x…

A: given data are- volume of base=50ml molarity of base= 0.0200 M molarity of acid = 0.100M volume of…

Q: Calculate the pH change that takes place when a 100.0 ml portion a)0.0500 M NaOH and (b) 0.0500 M…

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Q: A buffer with a pH of 4.34 contains 0.33 M of sodium benzoate and 0.24 M of benzoic acid. What is…

A: To calculate the concentration of H3O+ after addition of HCl, we would calulate the pH of the buffer…

Q: What mass of ammonium chloride should you add to 2.55 L of a 0.155 M NH3 to obtain a buffer with a…

A: Henderson Hasselbalch equation is given by, where pKa is the negative logarithm of acid…

Q: Consider the titration of 50.0 mL of 0.350 M NH3 (K, 1.74x105) with 100 mM HCI. What will the pH be…

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer…

Q: How many grams of solid calcium cyanide, Ca(CN)₂ must be added to 200.0 ml of 0.370M hydrocyanic…

A: Molarity of HCN = 0.370 M pH = 9.20

Q: What is the molar solubility of CaF2 in a solution containing 0.100 M NaF?

A: The concentration of Na+ and F- in NaF will be 0.1 M each. The dissociation reaction of CaF2 is as…

Q: A second titration is performed using the same 0.250 M NaOH in a buret. This time 25.0mL of an H2SO4…

A: The reaction between the strong acid (H2SO4) and strong base (NaOH) is furnished as follows:…

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.