Choose the correct answer from among the alternatives; To make the sentence true: the pH of a solution of oxalic acid (H2C2O4) with a concentration of 0.150M at 298K is 1.16, so the Ka value for the acid ---------------------- A)10 - 2 x 9.5 B)10 - 12 x 5.9 C) 10-12 x 9.5 D) 2-10 x 5.9

Q: Calculate the pH and concentrations of CH, NH, and CH, NH; in a 0.0443 M methylamine (CH, NH,)…

A:

Q: (a) Calculate the percent ionization of 0.00730 M carbonic acid (Ka = 4.3e-07). % ionization (b)…

A: Percent ionisation is calculated using formula : % ionisation = ( [ H+] / [ Acid ] ) × 100 Where , […

Q: Calculate Ka value for a .200 M solution of hypobromous acid (HBrO) with a hydronium ion…

A: Answer: On adding HBrO in water, its ionization will take place and hydronium ions will be produced…

Q: Calculate the ph of a 0.100 M solution of the weak acid HF. Pka of HF is 3.14

A:

Q: Sodium nitride (NaNO2) is often used as a preservative for meats. a) Knowing that the Ka of nitrous…

A: Salt hydrolysis mainly takes place when one of the component of salt is weak. The weak part of a…

Q: Calculate the percent ionization for bromic acid in a solution that contains 0.00850 M acetic acid…

A: Concentration of acetic acid, HC2H3O2(aq) = 0.00850 M For acetic acid, HC2H3O2(aq), Ka = 1.8×10–5,…

Q: If enough of a monoprotic acid is dissolved in water to produce a 0.01240.0124 M solution with a pH…

A: Here we will use the pH of solution to determine the H3O+ ion concentration. ICE method is used to…

Q: Calculate the pH of a solution that is a. 0.0130 M in and 0.0650 M in monochloroacetic acid (Ka =…

A:

Q: A 0.0590 M  solution of an organic acid has an [H+] of 1.90×10-3 M .  So far I found that the pH to…

A: The percentage of ionization of the acid is equivalent to the ratio of the concentration of the…

Q: Lactic acid, HC3H5O3, is a weak acid found in milk.  The calcium salt of lactic acid calcium…

A: we have to calculate the pH of calcium lactate solution

Q: What is percent ionization of 0.0065 M chloroacetic acid? K₁ = 1.36 × 10-3 The value of Kw at the…

A:

Q: what is the pH of a solution prepared by mixing 15.0 mL of 0.50 M NaOH and 30.0 mL of 0.50 M benzoic…

A: The measurement of pH is widely used in various applications such as in agriculture, environmental…

Q: 13.2)  a) A 0.439-M aqueous solution of a weak acid has a pH of 4.56. Calculate Ka for the acid.…

A: Please find the solution as hand written note.

Q: 7. If a neutral solution of a water , with pH= 7.00, is cooled to 10oC, the pH rises to 7.27. Which…

A: Water can react with itself in a weak acid-base equilibrium to create hydronium ion and hydroxide…

Q: In the laboratory, a general chemistry student measured the pH of a 0.591 M aqueous solution of…

A: Aniline is a weak base , lets find its pOH  pH +pOH = 14 (at 25oC)  9.305 + pOH = 14  pOH = 14 -…

Q: What is the pH of a 80.080.0 mL solution which is 0.290 M in IO−  and 0.490 M in HIO? The Ka for…

A:

Q: 11. What equation or expression would be used to calculate the pH of a solution prepared by…

A: Given : moles of weak acid i.e benzoic acid = 0.280 mol And moles of conjugate base salt of weak…

Q: Calculate the pH for 0.45 M NaOCI. The K₂ value for HOCI is 3.0 x 10-8. K₁ for OCI = [OH-] = pH =

A:

Q: 3)CH3NH2 is a weak base (?b = 5.0×10-4), so the salt CH3NH3NO3 acts as a weak acid.  What is the pH…

A: Given, Kb of weak base CH3NH2 = 5.0×10–4 And , concentration of CH3NH3NO3 = 0.0450 M .

Q: Calculate the pH of a solution that is 0.214 M acetic acid and 0.152 M sodium acetate. The Ka of…

A:

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: what is the Ka value

A:

Q: Lactic acid, HC3H503, is a weak acid found in milk. The calcium salt of lactic acid calcium lactate,…

A: Given: Molarity of calcium lactate = 0.565 M Ka of lactic acid = 8.31×10-4

Q: What is the pH of a solution that is 0.125 M in maleic acid, a DIPROTIC acid with Ka1=1.2x10-2 and…

A: Maleic acid dissociates in two steps. The major concentration of hydrogen ion is released in the…

Q: Calculate the pH of a mixture that contains 0.20 M of HCOOH and 0.16 M of HC,H,O. The Ka of HCOOH is…

A:

Q: 3, Calculate the pH of a solution prepared by mixing 150.0 mL of 0.200 M hydrobromic acid and 150.00…

A: (3)

Q: What is the pH of a solution that is 0.28 M in acetic acid, HC2H3O2, and 0.69 M in sodium acetate,…

A: Answer:- This question is answered by using the simple concept of calculation of pH of a solution…

Q: Calculate the Ka of a weak monoprotic acid if a 0.10 M aqueous solution of the acid has a [H+] of…

A: An acid dissociation constant can be defined as the quantitative measure that is used to describe…

Q: Enough of a monoprotic acid is dissolved in water to produce a 1.83 M solution. The pH of the…

A:

Q: pH

A:

Q: A chemist titrates 90.0 mL of a 0.3491M aniline (C6H5NH₂) solution with 0.0636M HBr solution at 25…

A: Information of question

Q: We can observe the common-ion effect in action by comparing how much a pure sample of acid…

A: Part-1: To calculate the pH of a solution having 0.100 M HIO solution given that the Ka of HIO is…

Q: Ka

A:

Q: a) Calculate the pH of 5 liters, 1.00 M HA weak acid solution. (Ka= 6.8 x 104) Calculate the percent…

A: a. Given: Ka = 6.8×10-4 Initial concentration of HA = 1.0 M

Q: A solution of carbonate (pKa = 6.3, 10.3) contains 0.0100 mol HCO3- and 0.00500 mol CO32-. Calculate…

A: Given :  pka1 = 6.3  pKa2 = 10.3  [ HCO3- ] = 0.0100  [CO32-] = 0.00500  To calculate : pH

Q: Calculate the pH and concentrations of CH,NH, and CH,NH† in a 0.0407 M methylamine (CH,NH,)…

A: CH3NH2 is a weak base. In water, the following equilibrium reactions happens: