A) 0.20 M lactic acid B) 0.20 M lactate C) 0.10 M lactic acid and 0.10 M lactate D) 0.15 M lactic acid and 0.05 M lactate

Q: What is the pH value of the final solution when 50 mL of a 0.5 M NaOH solution is added to 50 mL of…

A: Given: Volume of NaOH = 50 mL Molarity of NaOH = 0.5 M Volume of acetic acid = 50 mL Molarity of…

Q: buffer solution is composed of 1.501.50 mol of acid and 7.757.75 mol of the conjugate base. If the…

A:

Q: What is the pH of a solution

A:

Q: Calculate the pH of a solution prepared by adding 30.0 mLs of 0.20 M HCl to 50.0 mLs of 0.10 M…

A: Given: Concentration of HCl = 0.20 M Volume of HCl solution = 30.0 mL = 0.030 L…

Q: What is the pH of a solution that results from mixing together equal volumes of a 0.020 M  solution…

A: Initial moles of NH3 = V x 0.0200 = 0.0200V molMoles of HCl added = V x 0.010 = 0.010V mol NH3 + HCl…

Q: Which of the following acids is best to use to prepare a buffer with a pH of 4.5? НОC HАОСООН, Ка 3…

A:

Q: A buffer is prepared by using 0.20 mole of C6H5COOH and 0.40 mole of C6H5COO- in 1.00 liter of…

A: The objective of this question is to determine whether the buffering capacity of a solution,…

Q: The Ką of acid HA is 3.5 x 10 and the Kp of base B is 7.2 x 104. When 0.50-mol HA and 0.50-mol B are…

A: Answer: greater than 7

Q: What is the pH of a solution that results from mixing together equal volumes of a 0.130 M  solution…

A: Given, 0.130 M solution of acetic acid 0.065 M solution of sodium hydroxide pKa of acetic acid =…

Q: For each of the following cases, decide whether the pH is less than 7, equal to 7, or greater than…

A:

Q: A solution is prepared that is initially 0.0010 M NaOH and 0.10 M NH3. What is the pH of this…

A: [NaOH] =0.001 M [NH3] = 0.10M

Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.215 M  pyridinium…

A: A buffer solution is a solution that resists a change in its pH on the addition of a small amount of…

Q: If 24.8 mL of 0.107 M acid with a pKa of 5.76 is titrated with 0.102 M NaOH solution, what is the pH…

A: pH = pKa + log [salt]/[acid] Number of moles = molarity x volume (L)

Q: At 22 °C, an excess amount of a generic metal hydroxide, M(OH),, is mixed with pure water. The…

A:

Q: Determine the pH of a solution when 80.0 mL of 0.25M KOH is added to 40.0 mL of 0.50 M HCIO…

A:

Q: A buffer solution is prepared in which the concentration of pyruvic acid, HC;H3O3, is 0.300 M and…

A: The solution given is a buffer solution of monoprotic pyruvic acid and its conjugate base pyruvate.

Q: PR: (a) Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate…

A: Part (a): Initial pH Calculation For a buffer solution of cyanic acid (HCONO) and sodium cyanate…

Q: You prepare 250.0 mL of a buffer solution containing 0.550mol of acid and 0.450mol of its conjugate…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: A solution is made initially with 0.210 M HIO, (Kc = 0.170). Once the equilibrium below is…

A: Interpretation- To determine the equilibrium concentration of H+ ions when a solution is made from…

Q: BenzoicacidhasaKa of6.46x10 . What is the pH of the solution that results when 25.0 mL of 0.300 M…

A: The number of moles of benzoic acid, KOH, and the concentration of KOH and benzoic acid is…

Q: A solution is made with 554 ml of 8.21 M HX solution and 549 mL of 6.06 M Nax solution and the pH at…

A:

Q: Determine the pH during the titration of 67.3 mL of 0.459 M hypochlorous acid (K 3.5x108) by 0.459 M…

A: The objective of this question is to calculate the pH at different points during the titration of…

Q: Calculate the pH change that results when 15 mL of 2.0 M HCI is added to 580. mL of each of the…

A: The objective of the question is to calculate the  change.

Q: A solution NH3 that contains 78 mL of 0.043 M ammonia, NH 3, is titrated with 0.083 M HCI. The K₁ of…

A: Given,Molarity of NH3 = 0.043 Mvolume of NH3 = 78 mLMolarity of HCl = 0.083 MKb of NH3 = 1.8 x 10-5

Q: An analytical chemist is titrating 107.3 mL of a 0.4400M solution of piperidine (C,H1NH) with a…

A:

Q: . A solution is made by adding 69 mL of 0.2M acetic acid (Ka = 1.8 x 10-5) to 50.0 mL of 1.00 x 10-3…

A: First calculate the moles of acetic acid and HCl present in the solution, then determine the…

Q: Formic acid (HCO2H, Ka = 1.8 × 10-4) is the principal component in the venom of stinging ants. What…

A: Volume of formic acid = 25.00 mLVolume of NaOH solution required to reach the equivalence point =…

Q: What is the pH of a solution that results from mixing together equal volumes of a 0.070 M  solution…

A:

Q: A solid hydroxide, with the formula M(OH)3, is dissolve to make a saturated solution. If the pH of…

A: Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given…

Q: Calculate the pH of the following buffer solutions:

A: a)Moles of KH2PO4 =2.668g/136gmol-1 =0.019617 mol Moles of K2HPO4=2.095g/174.2gmol-1 =0.0120264 mol…

Q: Calculate the pH of the following solution when the 2 reagents are mixed: 25.00mL of 0.550M HCI…

A: Answer: This question is based on the pH of buffer solution. Buffer solution is the type of solution…

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.