How many milliliters of each solution did you use to make the your buffer? (please use three significant figures for your answer) 38.7 ml of acid: CH3COOH : and mL of base: NACH3C00 : 61.3 Your answer is incorrect, but you have 2 attempts left.

Q: I make a buffer solution from of 45.0 mL of 0.500 M sodium acetate (NaCH3COO) and 5.0 mL of 0.500 M…

A: Let us solve this question step by step.

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 final pH value of a buffer if 1 ml of hydrochloric acid (1 N) is added into 50 ml of…

A: 1-First calculate the mmoles of hydrochloric acid.  For HCl, 1N is equal to 1M ( normality =…

Q: In titrating 40.0 ml of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: Given: Concentration of HCl = 0.10 M Volume of HCl solution used = 40.0 mL = 0.040 L…

Q: A student needs to prepare a buffer solution with a pH of 4.65. Assuming a pKa of 4.57, how many mL…

A: Given: pH of buffer = 4.65  pKa of acid = 4.57  Concentration of HB = 0.1 M Volume of HB solution =…

Q: 50.0 mL sample of 0.10 m HCl is titrated to the end point buy 30.0 mL of NaOH. What is the…

A:

Q: A chemist needs a buffer with pH 4.35. How many milliliters of pure acetic = 1.049 g/mL, Ka =…

A: pH of buffer solution =  4.35

Q: A biology experiment requires the use of a nutrient fluid buffered at a pH of 4.85, and 659 mL of…

A: Given: Volume of buffer solution = 659 mL moles of NaOH = 5.0×10-3 mol moles of HCl = 5.0×10-3 mol…

Q: mL of NaOH

A:

Q: What volume of 2.00 M NAOH must be added to 150.0 mL of 1.20 M glycolic acid to produce a buffer…

A:

Q: low is the assigned buffer prepared? Write your computations and encircle the amount of solute…

A: Solution: Here we have phosphate buffer solution with pKa 2.12. So from this value we can find the…

Q: prepare an have 930 mL of the acetic acid solution, how many milliliters of the KOH solution do you…

A: A buffer solution is the solution that is made by mixing a weak acid with the salt of that acid.…

Q: A buffer solution contains 0.427 mol of carbonic acid and 0.512 mol of sodium hydrogen carbonate in…

A:

Q: Can someone show me how to answer this problem and the chemical equation of the buffer solution?

A: pH of a buffer solution is given by: Ka = 1.76×10-5 Substituting the values in equation (1):…

Q: Calculate the pH of a 0.100 M Na3PO4 solution. Find the mL of 0.40 M HClO4 that must be added to 100…

A:

Q: A mixture is made by combining 110 mL of 0.015 M HCl and 215 mL of 0.025 M HI. What is the pH…

A:

Q: Pls help ASAP. Pls show all work and calculations.

A:

Q: A solution which acts as a buffer is made from: a. A strong acid and the salt of its conjugate…

A: Buffer is a solution which can resist any change in the pH when any small amount of acid/base is…

Q: . Explain why a buffer can be prepared from a mixture of NH4CI and NaOH but not from NH3 al

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: With group members acting as atoms or ions, act out the reaction that occurs when HCl is added to a…

A: Given information,   HCl is added to a buffer solution composed of HC2H3O2 and NaC2H3O2

Q: A buffer contains HCCO- and HCOOH. identify the conjugate acid and the conjugate bass.

A: Note : The solution will have HCOO- and not HCCO-

Q: A chemist needs a buffer with pH 4.15. How many milliliters of pure acetic acid (density = 1.049…

A: The expression of Henderson-Hasselbalch displays that to calculate the pH of any buffer solution,…

Q: n each of the following questions, assume that there is no volume change when HCl is added to water…

A: ANSWER : (a) Concentration of HCl = Concentration H+ = moles of HCl / Volume of solution = 0.091…

Q: Is this a buffer system? NaF + Ca5 (PO4)3OHCa5(PO4)3F + Na+ + OH- Also, how does Le Chatelier’s…

A: Hydroxyapatite (Ca5 (PO4)3OH) and fluorapatite (Ca5(PO4)3F ) are the phosphate minerals that are…

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: A 30.0-mL sample of 0.165 M propanoic acid is titrated with 0.300 MKOH. a) Calculate the pH at 25 mL…

A: given, volume of sample = 30.0mL                volume of base added = 25mL                molarity…

Q: sodium acetate, how many mL of 0.100 M NaOH can be added before the buffer capacity is reached?

A:

Q: ONLY (a)How many ml of 0.5 M HCl must be added to 100.0 ml of a 0.2 M Imidazole (C3H4N2 ;…

A:

Q: in titrating 40.0 mL of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: The balanced chemical reaction is  HCl + NaOH ------> NaCl + H2O Number mmoles of HCl = molarity…

Q: 4. Which of the following is NOT a buffer? Explain your choice. • CH;NH2 - CH;NH;CI • NAHSO, - H,SO4…

A: Buffer solution Buffer solution resist any change in pH of a solution on addition of small amount of…

Q: The end point ( or equivalence point ) your acid / base titration between HCl and NaOH occurred…

A: For an acid-base reaction the equivalence point is  the moles of acid and the moles of base would…

Q: The following buffered solutions were prepared. To 50.00 ml of the following buffered solutions,…

A: Given  4ml of NaOH was added to 50 ml of Buffer  We have to determine buffer capacity for the given…

Q: you are given 20 XSSC how much of 20 XSSC is required to make 25 mL of 0.5 XSSC buffer solutioN

A:

Q: Which of the following will form a buffer solution when added to 100 mL of 1M NaOH? 1.0.1 mol HCI…

A: Buffer solution is that solution which has tendency to maintain constant pH upon addition of small…

Q: The figure below shows 2 sets of solutions with added methyl orange indicator a = w/3 drops HCI b =…

A: Methyl orange indicator shows red color in an acid solution whereas yellow color in the basic…

Q: How many moles of HCI: In a titration experiment, 25.00 ml of 0.500 M HCl neutralized 35.0 ml of…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

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: What is the pH of the buffer formed by adding 280 mL of 0.740 M potassium hydrogen phthalate to…

A: Given :           280 mL of 0.740 M Potassium hydrogen phthalate (KHP)            490.0 mL of 0.0150…

Q: Based on this information, what mass of solid conjugate base should the student weigh out to make…

A:

Q: What volume of 2.00 M NaOH must be added to 150.0 mL of 1.50 M lactic acid to produce a buffer…

A: Given: pH of solution = 4.00 Concentration of NaOH = 2.00 M Ka of lactic acid = 1.38 × 10-4…

Q: You need to prepare a pH = 9.20 buffer solution containing NH3 and NH4Cl. If you start with 0.71 M…

A: NH3 and NH4Cl form a basic buffer . We know that pH + pOH =14

Q: What must be the minimum concentration of hypobromous acid in 1.00L buffer solution of a pH 8.02…

A:

Q: What would happen if you drop acid to a beaker that contains a buffer vs. a beaker that doesn’t…

A: An acidic substance is a substance that can give H+ ions. They are corrosive and sour in nature. On…

Q: Formic acid, HFor, has a Ka value of 1.8x10-4. You need to prepare a buffer having a pH of 3.25 from…

A: The pH of the solution can be defined as the measure of the molar concentration of the hydrogen ions…

Q: A formic acid buffer is prepared with 0.010 M each of formic acid (HCOOH) and sodium formate…

A: Buffer solution are solution that resist the change in pH value on addition of small amount of…

Q: How does equilibrium play a part in the action of a buffer? Use the paperclip button below to attach…

A: A buffer is a solution that can resist pH change upon the addition of an acidic or basic components.…

Q: I make a buffer solution from of 5.0 mL of 0.500 M sodium acetate (NaCH3COO) and 45.0 mL of 0.500 M…

A: A buffer solution is made up of 5.0 mL of 0.500 M sodium acetate and 45.0 mL of 0.500 M of…

Q: A chemist needs a buffer with pH 4.34. How many milliliters of pure acetic acid (density = 1.049…

A: Given: pH of buffer solution = 4.34  Density of acetic acid = 1.049 g/mL. Concentration of NaOH =…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.