- calculate the pH of a solution of  20 mL of 0.1M  H2A (weak acid) after addition of  46mL    of 0.05M NaOH .        b- describe the content of the solution at this point               For H2A; Ka1 = 1 x 10 -3,   Ka2 = 1 x 10 -7

Q: Calculate the pH of a solution that is 0.228 M acetic acid and 0.177 M sodium acetate. The Ka of…

A: We are given a solution that is a mixture of acetic acid and sodium acetate. The molar…

Q: 4. Calculate the pH of a solution prepared by mixing 15.0 mL of 0.100 M NAOH and 30.0 mL of 0.100 M…

A: Benzoic acid reacts with sodium hydroxide as follow: C6H5COOH + NaOH →C6H5COONa + H2O The…

Q: Ka for hypochlorous acid HCIO is 3.0 x 10-8. Calculate the pH after the addition of 15.0o mL of…

A: Initial moles of HClO = Molarity ×Volume = 0.100 M × 40.0 mL = 4mmoles Initial moles of NaOH =…

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: I Review | Constants | Periodic Table What is the pH of a solution obtained by dissolving two The…

A:

Q: 6. Calculate the percent dissociation of 0.10 M hydrazoic acid (HN3, Ka= 1.9 x 10-5). Recalculate…

A: Answer: Hydrazoic acid is a weak acid and we have to study the common ion effect on its dissociation…

Q: A 10.0 mL solution of 0.720 M NH3 is titrated with a 0.240 M HCl solution. Calculate the pH after…

A: In this chemistry problem, we are tasked with calculating the pH of a solution at various stages of…

Q: Calculate the pH of a solution made by mixing 20.0 mL of a 0.100M methanoic acid (CHOOH) with 80.0…

A:

Q: Calculate the pH of a solution that is 0.228 M acetic acid and 0.177 M sodium acetate. The Ka of…

A: The problem is asking us to calculate the pH of a buffer solution at two different temperatures. The…

Q: Calculate the pH of a solution formed by mixing 150.0 mL of 0.10 M HC7H502 with 100.0 mL of 0.30 M…

A:

Q: Calculate the pH of a buffer solution prepared by dissolving 0.6 mole of cyanic acid HCNO, and 0.5…

A: Answer :-  The pH of buffer solution prepared by dissolving 0.6 mol HCNO and 0.5 mol NaCNO in enough…

Q: f. 1.00 mL of 0.175M NaOH diluted to 375 mL (M₁V1 = M2V2) g. 5.00 x 10-³ M Ba(OH)2 solution h. 2.055…

A: f) Given, Initially M1 = 0.175 M V1 = 1.00 mL Later (after dilution) M2 = ? V2 = 375 mL First we…

Q: pH calculation after the second equivalence point:   Calculate the pH of 50.0 mL of 0.250 M oxalic…

A: Answer: This question is based on acid-base titration where base solution is being added into the…

Q: For a generic acid, HA, Ka = 1.0 × 10-8. Calculate the pH of a solution made by mixing 31.3 mL of…

A: Given, Molarity of NaA = 0.340 MVolume of NaA = 31.3 mLMolarity of HCl = 0.100 MVolume of HCl = 25.1…

Q: Calculate the pH when 32.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBRO (Ka = 2.5 x 10-9)…

A: 1- First calculate the mmoles of KOH and HBrO : a) mmoles of KOH = ( 32.0mL × 0.150M )  mmoles of…

Q: What is the pH of a solution of 100 mL of 0.025 M HBr and 100 mL of 0.10 M NaF? (HF Ka= 7.2 x 10-4)

A: Given Volume of HBr solution = 100 mLConcentration of HBr solution = 0.025 MVolume of NaF solution =…

Q: Triprotic acid H3A has dissociation constants Ka1=4.5*10^-4, Ka2=1.1*10^-8, and Ka3 = 7.9*10^-11.…

A: GIVEN: Concentration of H3A= 0.100 M Volume of H3A= 60.00mL Concentration of KOH = 0.400 M Volume of…

Q: What mass of NaA (MW=100 g/mole) must be added to a 100.0 ml of a 0.1 M solution of HA (Ka=1x10-5)…

A:

Q: HCN is a monoprotic weak acid with a K, value of 4.90 x 10-10 Calculate the pH of a 6.00 x 10-6 M…

A:

Q: What is the pH of a solution containing a mixture of 0.050 M HC2H3O2 and 0.025 M NaC2H3O2?  (Ka =…

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

Q: Calculate the volume of NaOH 0.50M needed to obtain a 1:1 acid:acetate ratio from 50mL of acetic…

A: Given,  The volume of 0.50 M NaOH needed to obtain 1:1 acid:acetate ratio from 50mL of 0.20 M acetic…

Q: Major product in the reaction

A: Common catalysts used are insoluble metals such as palladium in the form Pd-C, platinum in the form…

Q: Determine the pH of a solution formed by adding 5.0 mL 0.80 M NaOH to 10.0 mL solution of 1.0 M…

A:

Q: 1. Calculate the pH of a 200.0-mL solution containing 0.050 M benzoic acid (C6H5COOH) and 0.025 M…

A: pH = pKa + log[C6H5COO-]/[C6H5COOH]

Q: 5) An unknown salt is either NH4CI, N2HsBr, CsHsNHCIO4, CH3NH3NO3, or NaOCI. When 0.500 mol of the…

A: The question is based on the concept of salt hydrolysis. we have been given PH of the solution.  we…

Q: Calculate the pH of a solution formed by mixing 500.0 mL of 0.075 M CH3NH3Cl with 200.0 mL of 0.10 M…

A: Given: Volume of CH3NH3Cl = 500 mLMolarity of CH3NH3Cl = 0.075 MVolume of CH3NH2 = 200 mLMolarity of…

Q: What would be the pH of a/solution made by adding 100.00 mL of 0.100 M NaOH to 100.0 mL of 0.100 M…

A:

Q: 4.48 liters of HCl gas are dissolved under normal conditions in 4 liters of water. To this solution…

A: Volume of HCl gas = 4.48 litres  Number of moles of HCl gas = 4.48/22.4 = 0.2 moles  After mixing…

Q: You make 1.00 L of a buffered solution (pH solutions of each component of the buffered solution.…

A: A buffer solution can be made using a weak acid and the conjugate base of the weak acid. For…

Q: Calculate the pH of a solution that contains the following analytical concentrations: a. 0.0400 M in…

A: (a) 0.0400 M NaH2PO4 ka1 = 7.11 x 10-3  ka2 = 6.32 x 10-8    (b) 0.0300 M NaH2AsO4 0.0500 M Na2HAsO4…

Q: Calcula HNO2 ( A typic (acetyls Ka = 3. %3D 300ML the per

A: Concept pH of the solution can be calculated as: pH= - log [H+]

Q: Calculate the expected pH of a buffer prepared by dissolving 1.3 mols of acetic acid and 0.4 mols of…

A: Given buffer solution pH calculated by using formula.

Q: What is the pH of the solution containing 0.1M sodium formate (NaHCOO) and 0.05M formic acid…

A: Required data to determine the pH of buffer solution using Henderson equation.

Q: Calculate the volume, in milliliters, of 0.170 M NaOH that must be added to 269 mL 0.0481 M…

A: Given, Molarity of NaOH = 0.170 M Molarity of MOPS = 0.0481 M Volume of MOPS = 269 mL pH=7.55

Q: 1. Write a chemical equation for the dissociation of the hypochlorite ion, ClO-1, in water to make a…

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: 13. Arrange the following solution from lowest pH to highest pH: 0.20 М CH-COОН (К. 3 1.8 х 10-)…

A:

Q: What is the pH of a solution made from adding 10.00 mL of 0.15 M Na₂HASO4 to 25.00 mL of 0.10 M…

A: volme of Na2HAsO4=10.00 mLconcentration of Na2HAsO4=0.15 Mvolume of NaH2AsO4 =25.00 mLconcentration…

Q: Explain the attachment

A: Given : Concentration of NaCH3COO = 0.20 M Concentration of HCl = 0.200 M Volume of NaCH3COO…

Q: A 19.5 mL solution of 0.100 mol L-1 CH3COOH is titrated using 0.150 mol L-1 NaOH. What is the pH of…

A: Given,Molarity of CH3COOH = 0.100 mol/Lvolume of CH3COOH = 19.5 mLMolarity of NaOH = 0.150…

Q: Calculate the pH of the solution when 35.0 mL of 0.15 M HCN is mixed with 17.5 mL of 0.30 M NaOH. Ka…

A: [NaOH ] = 0.30 M  VNaOH = 17.5 ml  nNaOH = 0.30 M x 17.5ml = 5.25 m mol  [HCN ] = 0.150 M  V HCN =…

Q: 17. Calculate the pH of a solution prepared by mixing 200.0 mL of 0.100 M NaOH with 150.0 mL of…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: what is the pH of a solution prepared by mixing 50.0 mL of 0.125 M amonia and 25.0 mL of 0.100 M…

A:

Q: What is the pH of 20.00 mL 0.100 M acetic acid solution that is mixed with 30.00 mL 0.200 M sodium…

A: Buffer solution is mixture of weak acid and its salt. Here acid used is acetic acid and salt is…

Q: Calculate the pH function of a solution obtained by adding 10 milliliters of 0.1 M acetic acid to 20…

A: We have to calculate the pH of solution

Q: Calculate the pH of the solution that results following addition of 30 mL of 1 M NaOH to 40 mL of 1…

A: We have 30 ml of 1 M NaOH and 40 ml of 1 M NH4Cl Calculating the moles of each reactant using…

Q: 5) Calculate the pH of 250.0 mL of formic acid solution with a concentration of 0.225 M…

A:

Q: -2.15 =,75 0.4 3x10-3 10. If 600 ml of a .7M HC2H3O2 is reacted with 800 ml of a .5M solution of…

A:

Q: What is the pH of a solution containing a mixture of 0.050 M HC2H3O2 and 0.025 M NaC2H3O2?  (Ka =…

A: Using fomula of pH of buffer solution we can solve this problem.

Q: NaOH is added to 0.040 M A1³+, raising the pH to 13.60. which is the predominant species: Al(OH)3 or…

A: strong base, such as NaOH, precipitates Al(OH)3, which is amphoteric and dissolves in an excess of…

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.