Find the pH and the concentrations of H2SO3, HSO3-, and SO32- in each solution:   (a) 0.050 M H2SO3;   (b) 0.050 M NaHSO3;   (c) 0.050 M Na2SO3.

Q: The base protonation constant K, of azetidine (C,H¸NH) is 1.5 × 10 °. 8- Calculate the pH of a 0.80…

A:

Q: Calculate the pH at 25°C of a 0.45 M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for…

A: We have to calculate the pH value.

Q: -The pKa of finalic acid is 6.50, What is the pH of an equimolar solution of finalic acid and sodium…

A: Given: Molarity of finalic acid         = 0.1 M Molarity of sodium finalate = 0.1 M pKa of finalic…

Q: a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the…

A: expression of Kw for the dissociation of water (H2O). ph of KOH aq kw

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10. Calculate the pH of a 1.3…

A: Reaction: C4H4N3O3NH2 + H2O ⇌ C4H4N3O3NH3+ + OH-    Kb of allantoin = 9.12×10-6  Concentration = 1.3…

Q: What are the concentrations of O H - ions in solutionshaving pH values of 3.00, 6.00, 9.00, and…

A: Given data pH values are pH pOH [OH-] 3.00 ? ? 6.00 ? ? 9.00 ? ? 12.00 ? ?

Q: I'm not sure how to solve this.

A: First the equilibrium concentration of H3PO4 is determined.

Q: The pH of a solution that is 0.5 in MA and 0.3 in HA is 5.40; determine the pKa of the acid.

A:

Q: The Ka of propionic acid (HPro) is 1.3 x 105. Which of the following statements is true about…

A:

Q: What is the pH of a 1.75 M solution of KX (Kb of X is 1.22 x 10°) (Please show the final result with…

A: Answer:  9.66 Weak base can't dissociate completely, it's  pOH = 1/2 (PKb - logC)

Q: Abbreviating malonic acid, CH2(CO2H)2, as H2M, find the pH and concentrations of H2M, HM, and M2…

A: a.

Q: Calculate the pH for a mixture of one mole of benzoic acid andone mole of sodium benzoate. The pKa…

A: When a weak acid and its conjugate base are present, it forms a buffer solution similar to the…

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10¯ °. Calculate the pH of a 1.0 M…

A:

Q: a general chemistry student measured the pH of a 0.510 M aqueous solution of nitrous acid to be…

A: Here we are required to find the dissociation constant for weak acid nitrous acid

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10 °. Calculate the pH of a 0.44 M…

A:

Q: Calculate the pH of a 0.15M solution of sodium acetate (CH3COONa). What is the percent hydrolysis?…

A: A strong base and weak acid react to form salt and water. The salt will be basic in nature and the…

Q: Calculate the pH of a 0.25M solution of formate ion (HCOO-) at 250 C.  The pKa for formic acid…

A:

Q: What is the pH of a vinegar with 25.65 % (w/v) acetic acid in water? The pKa of acetic acid is…

A: Consider the given information is as follows;  %(w/v) acetic acid = 25.65% pKa of acetic acid =…

Q: the pH of a 0.1 M KNO3 solution

A: Potassium nitrate (KNO3) is a salt of strong acid(nitric acid;HNO3) and strong base(potassium…

Q: 10. The pH of 0.25 M aqueous solution of a weak acid HA is observed to be 4.15. Determine the acid…

A:

Q: A weak monoprotic acid, HA dissociates by 2.416 % and has a pH of 3.61. Calculate the Ka value for…

A: percent dissociation of HA is 2.416% pH = 3.61

Q: Identify the Lewis acid and Lewis base that lead to the - -2formation of the following species: (a)…

A: Lewis acid : molecule or ion which accepts electron in vacant orbital Lewis base : molecule or ion…

Q: At 60 °C, Kw for water is 1.0 × 10¹³. At 60 °C, a weak acid has a Ka of 1.3 x 10-4. What is the Kb…

A: Acid can be defined as a substance that give hydrogen ions in an aqueous solution.

Q: Like any equilibrium constant, Kᵥᵥ changes with tempera-ture. (a) Given that autoionization is…

A: Given: Autoionization of water is given as endothermic reaction.

Q: Calculate the pH of a solution that is prepared by dissolving 0.470 mol of hydrocyanic acid (HCN, K,…

A: Given- HCN= 0.470 mole HC9H7O4 = 0.164 mole Volume of solution = 3.00 L Ka of HCN = 6.17 x 10-`10 Ka…

Q: Calculate the pH of the following solutions: a. 0.34 M hydrocyanic acid. b. 1.5 M solution of…

A: pKa of hydrocyanic acid is 9.2

Q: Calculate the ratio [CH3COOH]/[NaCH3COO] that gives a solution with pH = 5.00? Hint: Rearrange the…

A:

Q: A solution is prepared at 25 °C that is initially 0.16 M in benzoic acid (HC,H,CO,), a weak acid…

A: Since the solution is having benzoic acid i.e HC6H5CO2 and its salt NaC6H5CO2  Hence the solution is…

Q: ajuse the nule of loga for ithms and exponents to Solne ur [H+] In terms of PH %31

A: We have to predict Hydrogen ion concentration in terms of pH .

Q: What is the pH of a 0.21 M solution of methylamine

A: Given :-  Initial concentration of CH3NH2 solution = 0.21M  Kb = 4.4 × 10-4  To calculate :-  pH of…

Q: The base protonation constant K, of allantoin (C,H,N;03NH,) is 9.12 × 10 °. Calculate the pH of a…

A: Given:

Q: a 0.55 M solution of a monobasic compound B has a pH of 11.32, what is the Kb value of the base B

A:

Q: Bucuse the fallowng chenicel test of Sewage -) ) Nitrogen ) Ftr, geses and och A PH Value Chloaie

A:

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10 Calculate the pH of a 1.1 M…

A:

Q: What is the pH of a solution that contains 0.135 M HCOOH and 0.215 M HCOONa? The pKa of formic acid…

A: pH of the solution is equal to the negative logarithm of hydronium ion while pOH is equal to the…

Q: The pH of a 1.00 M NaCH3COO (aq) solution is 9.38. a/ Determine the concentration of [OH] in the…

A:

Q: Calculate the pH and pOH for the following: a. 10mg of cyanic acid (pKa=9.21) in 1L of water

A:

Q: Calculate the pH of 0.050 M aqueous solutions of the compounds below at 25 °C: a. NaOH b. CH3NH2…

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

Q: Calculate the formate ion concentration and pH of a solution that is 0.050 M in formic acid (НСООН,…

A:

Q: A.) What is the pH of a 0.25 M solution of sodium propionate, NaC3H5O2, at 25°C? (For propionic…

A:

Q: 3g of benzoic acid (Molecular mass = 122 g/mol) are dissolved in 100 mL of pure water. Calculate the…

A: Ionization of weak monoprotic acid and pH calculation:

Q: Calculate the isoionic pH of 6.022 x 1021 molecules of thereonine in 500 mL of solution. (For…

A:

Q: For H2S, Ka1 = 9.6 10-8, and since Ka2 = 1.3 10-14, 0.04 M Na2S Calculate the pH of the solution by…

A: Given,  Ka1 = 9.6×10-8 and Ka2 = 1.3×10-14

Q: Calculate the pKa of the weak acid HA, given that a solution that is 0.357 in HA and 1.24 in A- has…

A: Buffer solution is made of weak acid and it's conjugate base or weak base and it's conjugate acid.

Q: c) At pH 1.58, calculate the free [CO32-] when [CO32-]t = 48 mM. You can either solve 3 simultaneous…

A: Given TOTCO3 = 48 mM or 4.8*10-2 M  => [H2CO3] + [HCO3-] + [CO32-] = 4.8*10-2 M   K values of…

Q: The base protonation constant K, of allantoin (C,H,N,0,NH,) is 9.12× 10¯°. 9. 4 Calculate the pH of…

A: Given information: Concentration = 1.3 M

Q: For a temperature of 10C in which Kw= 2.89e-15 and Pkw = 14.539  what is the poH, ph H30+ ?  OH=…

A: Applying concept of PHand POH. POH= - log [OH-]

Q: If the hydrogen ion (H30*) activity in a system is 0.0078549423 mol/L (note the units!), then what…

A: Given that: Activity of hydronium ion (aH3O+) = 0.0078549423 mol/L

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.