Calculate the degree of dissociations of 0.10 M 0.8 acetic acid solution Ka= 1.5*10^-2 that exist in 0.15M KCl solution.

Q: The pH of a half-neutralized solution of a weak acid is 4.3. What is the dissociation constant (Ka)…

A:

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: Suppose a solution contains a mixture of 0.15 M methamphetamine (pKb = 4.50) and 0.31 M…

A: Given:pKa = 9.50pKb = 4.500.15 M methamphetamine0.31 M methamphetamine hydrochlorideThe given…

Q: Calculate the pH after the addition o 50 ml of 0.2 M of HCI to 100 ml of 0. M of sulfite (SO3^2-). (…

A: Number of moles of sulphite ions in the solution = 0.01 mol Number of moles of HCl added to the…

Q: The dissociation constant of ammonia is 1.8 x 10 -5. At 0.120 M solution concentration, (a)find the…

A: Given,  The molarity of ammonia solution is 0.120 M.  The dissociation constant for ammonia is: 1.8…

Q: Calculate the percent ionization of nitrous acid in a solution that is 0.222 M (HNO 2) in nitrous…

A:

Q: In which of the following aqueous solutions does the weak acid exhibit the lowest percentage…

A: We have been asked to determine the lowest percentage ionization without calculation.

Q: What is the pH (to two decimal places) of a saturated aqueous solution of LiF (at 25 °C)? Ksp = 3.8…

A:

Q: Write the ionization constant expression for a 50 mM aniline solution (pKb=9.40 @ 25 C).

A:

Q: Determine the percent ionization of the following solutions of phenol at 25°C: (a) 0.821 M (b) 0.360…

A:

Q: Aniline (C6H5NH2), a weak base, is one of the starting materials for the synthesis of organic dyes.…

A: Given, Aniline (C6H5NH2), a weak base, is one of the starting materials for the synthesis of organic…

Q: For a solution of 0.020 M lactic acid, HC3H5O2 (Ka = 8.4 × 104), calculate: %3D

A: Given that: Concentration of lactic acid = 0.020 M and Ka = 8.4×10-4 To find: Concentration of H+…

Q: The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 x 10 -10. What is the pH…

A: pH is used to determine the concentration of hydronium ion.

Q: pH

A:

Q: solve and compare the % dissociation of 0.1M and 0.001M solutions of boric acid (Ka= 3.8 x 10-10)

A:

Q: Starting a solution( 15.0ml 0.200M CoCl2 (times) 6H2O+9.00ml 12.0M HCl) WHICH CHANGED THE COLOR TO…

A: When any reaction at equilibrium is disturbed then Le chatelier principle gives the direction of…

Q: What is the hydronium-ion concentration in a solution resulting from mixing 133 mL of 0.100 M HCN…

A: Answer:- This question is answered by using the simple concept of calculation of hydronium ion using…

Q: In the determination of the water hardness of a river water sample, the pH of the sample was…

A: Hardness of water is determined by EDTA titrations.

Q: 3. 2.0-g NaF 6H2O is dissolved in enough analytical water to make 250.0- equilibrium concentration…

A: Sodium fluoride is a strong electrolyte and it is formed by the strong base, NaOH, and weak acid HF.…

Q: What is the pH (to two decimal places) of a 50.0 mL 0.15 M NH3 aqueous solution (at 25 °C) after…

A: Given-> Volume of NH3 = 50.0 ml Molarity of NH3 = 0.15 M Volume of HCl = 15.0 ml Molarity of HCl…

Q: Calculate the concentrations of all species present (other then water) in an aqueous solution of…

A: Sulfurous acid is a diprotic acid. It dissociates two times in an aqueous medium.

Q: Concentration of standard NaOH (base) .200 M Sample V of acid V of base [HP] (X) Solubility (-X)…

A: Equilibrium is a condition at which rate of forward as well as backward reaction is same. Common ion…

Q: What will happen to the pH of a 2.0 HF solution (pH=1.42, Ka=7.23x10^-4) if you added some NaF to…

A:

Q: 22) The POH of 0.180 M NaCN (basic salt) (Kb of CN¯ = 2.22 x 10°) is: a) 10.9 b) 4.68 c) 3.09 d)…

A: The concentration of basic salt (NaCN) = 0.180 M  The equilibrium constant, Kb of CN– = 2.22 × 10–9…

Q: Zinc hydroxide Zn(OH)2 has Ksp= 4.5x10-17In pure water calculate its malor solubility

A: The solubility constant is the measure of the extent of the solubility of a substance. The…

Q: How would I find the pH of the two-component solution 0.115 M in NaCl and 9.56×10−2 M in KF?

A:

Q: If NH4OH at 30.0 °C is 1.20 % ionized is 0.250 M solution, what is its ionization constant and the %…

A: Ionisation constant is also known as equilibrium constant  Which is equal to the ration of…

Q: What is the pH of a soln which  is 0.5 M NH3 and 0.075M NH4Cl? (kb=1.8x10-5)

A: The solution of NH3 and NH4Cl will form a buffer solution and the pH of a buffer solution is…

Q: The acid-dissociation constants of phosphoric acid (H3PO4) are Kal = 7.5 x 10-3, Ka2 = 6.2 × 10-8,…

A: Given: Concentration of H3PO4 = 2.5 M Ka1 = 7.5x10-3 Ka2 = 6.2x10-8 Ka3 = 4.2x10-13 larger the Ka…

Q: A0.1000M solution of ethanoic acid is only partially ionized. Using measurements of the pH of the…

A:

Q: [CHCOOH + H:O = CHCOO-+ H*] Determine the dissociation constant for 3 po the following reaction if…

A:

Q: With the use of ICE, calculate the % ionization of the solute in 0.1M HNO2 solution. Ka =…

A: Percent ionization is given by the expression, α=Kac×100%

Q: Q.3: Determine the pH of the dissociation of 0.1 M HCN (aq). For which the dissociation constant is…

A:

Q: 12. Write the reaction that occurs and calculate the pH after.. 15.0 mL of 0.10 M NaOH is added to…

A: The number of moles can be calculated by taking the product of molarity and volume of the solution.…

Q: A 1-L unbuffered solution needs the pH adjusted from 6 to 1. How many mL of 12 molar HCl solution…

A: Step 1: Given that the initial solution is un-buffered with pH 6.  It has to convert to pH 1, by…

Q: oV A- Give the structure of: Phenolphthalein and potassium hydrogen phthalate (KHP) B- Define:…

A: The structures for phenolphthalein and potassium hydrogen phthalate are -

Q: Solve this?

A: pH = 9.2 pH + pOH = 14 pOH = 14-9.2 = 4.8

Q: Calculate the pH after addition of 50.00 mL of 0.1000 M HCl into a 50.00 mL 0.1500 M Na2C2O4…

A: When HCl is added to the given salt solution , it will react to give its conjugate acid.  So we…

Q: a 0.3 M solution of a weak HX acid has a pH of 1.5. What is the dissociation constant of the acid?

A: The concentration of weak HX acid = 0.3 M The pH of acid = 1.5 Here I have calculated the value of…

Q: Calculate the concentrations of all species in a 0.280 M Na, SO, (sodium sulfite) solution. The…

A: Given: Concentration of sodium sulphite is 0.280 M

Q: Suppose that you want to titrate a sample of vinegar with standard sodium hydroxide solution to…

A: For titration of weak acid ( Vinegar ) and Strong base ( Sodium hydroxide ) suitable indicator is…

Q: What is the selenide ion concentration [Se2-] for a 0.100 M H2Se solution that has the stepwise…

A: The concentration of H2Se is 0.100 M. The dissociation constants, Ka1 and Ka2, of H2Se are 1.3×10-4…

Q: Calculate the pH of the following solutions: A.     0.01 M NaOH…

A: We need to determine pH of given solution.    Note : Since there are multiple questions posted, as…

Q: Calculate the concentration of bicarbonate ion, HCO3-1, in a 0.010 M H2CO3 solution that has the…

A: The dissociation constant represents the tendency of a chemical substance for reversible…

Q: 4. The dissociation constant of HOAc is 1.80×10°. What are the concentrations of all species in a…

A:

Q: Calculate the pH and [H3O+] of a solutio n prepared by dissolving 0.25 mol of NaC2H3O2 in 500. mL of…

A: For a buffer solution: pH = pKa + log[salt]/[acid]

Q: 12. The pH of 0.15 M butylamine, C4H9NH2 Solution is 12.0 at 298 K. Calculate a. dissociation…

A: Given  0.15 M C4H9NH2 PH= 12 Calculate  A) dissociation  constant  of the base B) degree of…

Q: What is the value of Q when the solution contains 2.00 x 10¬³M Ca2+ and 3.00 x 10-² M SO4²-?

A: To find Q?

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.