Determine the pH of the solution resulting from mixing a solution of 154 mL of HNO2 (Ka = 5.62e – 04) at a 1.800 M concentration, with 115 mL of a 1.400 M solution of C'sOH ? O (a) 3.250 O (b) 1.696 O (c) 3.392 O (d) 3.192 O (e) 0.308

Q: How many grams of NaNO, is needed to prepare an aqueous solution of 170 mL with a pH of 8.54? (For…

A: Consider the initial concentration of NO2- to be C and the reaction can be depicted as; Here, x=…

Q: the pH of the solution given that Kw=2.93×10^−15 at

A: The pH of the solution given that Kw =2.93×10−15 at this temperature

Q: What is the pH of a 0.660 M solution of NaCN (Ka of HCN is 4.9 × 10⁻¹⁰)?

A: The pH will be 11.56.

Q: t is the pH of a 0.4 rant chemical equar

A: Given: The concentration of the acid, (C) = 0.475 M. The Ka for the acid, (Ka) = 1.34 ×10-5.

Q: By what factor does 3H+4 change for a pH change of (a) 2.00 units

A: The change in pH is 2 use should find the change in [H+]

Q: What is the pH of a 0.790 M solution of NaCN (Ka of HCN is 4.9 10-10)?

A: Given, Molarity of NaCN = 0.790M

Q: At a pH of 7.40, what is the ratio of the molar concentrations of HC03 to H2CO3? Express your answer…

A:

Q: What is the pH of a 0.570 M solution of NaCN (Ka of HCN is 4.9 × 10-10)?

A: NaCN dissociates in an aqueous medium as follows: NaCN→Na++CN- Na+ ions don't contribute to the pH…

Q: 2. Lakes that have been acidified by acid rain can be neutralized by liming, the addition of…

A: The concentration of hydronium ions of the lake, pH=-log[H3O+] Given, pH is 5.5.…

Q: 7-18. What is the pH of an aqueous solution that is 14.0% HCI by weight and has a density of 1.054…

A: Given information,      An aqueous solution that is 14.0% HCl by weight and has a density of 1.054…

Q: HCIO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Kw = Ka x Kb  Kw = 1x10-14  given that Ka = 4x10-8 find Kb = (1x10-14) / (4x10-8) = 2.5x10-7 Initial…

Q: ROBLEM 2: Below is the reaction for the formation of acid rain due to high concentration of…

A:

Q: Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn.…

A: When a base is added to  an acid, the acid gets neutralised. All the H+ ions present in the acid…

Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…

A: • The values provided in the question are:-      i) pH of a carbonated cola solution = 3.120    • We…

Q: What

A: We will use concept of pH of salt

Q: b Calculate the pH of the following solution from the information given: РОН - 4.75 pH =

A: Answer:- this question is answered by using the simple concept of calculation of pH using the value…

Q: Determine the pH of a 0.43 M KNO, solution at 25'C. The K, for HNO, is 4.6 x 10 Report answer to two…

A:

Q: 10

A: NaCN is a salt of strong base and weak acid. The pKa of HCN can be calculated as follows-

Q: (Q7) If the initial concentration of the weak base ammonia in a solution is 0.247 M and the solution…

A:

Q: II. ANSWER AS DIRECTED. Give the detailed solution to the following problems. Express your final…

A:

Q: If H+ is equal to 6.9×10^-5, what are the values of pH, pOH, and OH-?

A: Given: [H+]=6.9×10-5 To find: pH, pOH and [OH-]

Q: ph level of  NH4OH, HFO, HIO4, Be(OH)2

A: We have to level the pH of the following NH4OH, HFO, HIO4, Be(OH)2

Q: calculate the K, of the acid?

A: Given ;-  Initial concentration of monoprotic acid = 0.060 M  pH = 3.44   To calculate ;- Ka

Q: If the pH of seawater is 8.50, what is the [H3O+]?

A: pH = 8.50  We also know that ., pH = - log[H3O+]

Q: What is the pH of a 0.15 M solution of HCI (aq)? Answer to two significant figures.

A: HCl is a strong acid. So it dissociates completely given H+ and Cl- ions. HCl  →  H+  +  Cl- Here…

Q: What is the pH of the following solution. 0.035 M HNO3

A: Given data contains, Molarity of nitric acid is 0.035 M.

Q: Given that K, for water is 2.4 x 10 1 at 37 °C, calculate the pH of a neutral aqueous solution at 37…

A: Temperature plays a significant role on pH measurements. As the temperature rises, molecular…

Q: If the pH is 13.2 what is the molarity?

A: The pH of a solution is mathematically expressed as: pH=-log[H+] where [H+] is the molarity of H+…

Q: The pH of a 0.0492 M solution of a weak acid is 2.641. What is the Ka of the acid?

A: pH= 2.641

Q: Benzoic acid, C6H5COOH, is a weak acid (Ka = 6.28*10-5). If I dissolve 1.22 g of C6H5COOH in enough…

A: Molarity of benzoic acid (M)= No of moles / Volume in Liter No of moles = Mass / molar mass = 1.22 /…

Q: The hydronium ion concentration of an aqueous solution of 0.371 M isoquinoline (a weak base with the…

A:

Q: What is the percent ionization of H₂NNH₂ in a solution with a concentration of a 0.660 M? (Kb = 1.3…

A: % ionization = 0.140%

Q: Given that for water at 37 °C Kw = 2.4x10 1 what is the pH of a neutral aqueous solution at 37 °C?…

A: for water , Kw = [H+] [OH-]   pH of water depends on temperature.

Q: The pH of a solution at 25C 11 which OH =20x 10 is: 4.76 3.30 9.52 9.30 4.69

A: Concentration of OH- ion = 2.0 × 10-5  pH of the solution at 25°C = ?

Q: The pH of an acidic solution is 5.75. What is [OH⁻]?

A:

Q: you prepare a solution of 3.1 x 10-8M KOH and calculate the pH in the typical way for a strong base:…

A: Molarity Of KOH solution = 3.1 * 10-8 M Calculated pOH = 7.51 Calculated pH = 6.49 pH recorded by pH…

Q: What is the [H3O+] if pH = 7.45?

A: Since the pH of any solution is given by  pH = -log[H3O+] where [H3O+] = concentration of H3O+ ions…

Q: The PH of a Oil M agueas sólutiom of Naz( the sodium salt of 2s 10,70: what is thie ha for Hz?

A: Given: Concentration of NaZ solution = 0.15 M pH of NaZ solution                   = 10.70

Q: 2. Calculate the pH of a 0.200 M solution of H2SO4. Ka2 for H2SO4 is 1.2 x 102. (Since Kaz is high,…

A: Step -1  we know that  PH = -log(H+) H2SO4 - gives two H+ ions in dissociation condition. So, 2 x…

Q: If I have C5H5N .5M initial and a pH of 8.05 what is Kb?

A: C5H5N is a weak base and its reaction with water is as follows, The ICE table for above reaction is…

Q: 6. The percent ionization of 0.200M HOCI(aq) is 4.75%, determine the Ka of the acid.

A:

Q: The pOH of a basic solution is 2.35. What is pH?

A: Given, the pOH of a basic solution is 2.35we are asked to calculate the pH of the solution.

Q: The value pKw is 11.05 at 78 °C. What is the pH of a neutral solution at the same temperature? Enter…

A:

Q: Calculate the pH of a 0.317 M solution of NaNO2. The ionization constant, ?a, for the acid, HNO2, is…

A:

Q: The pH of a solution is 6. What is the pOH? pOH = %3D What is the hydrogen concentration? [H*] = Is…

A: The pH of a solution is used to determine the alkalinity or acidity of a solution. The pH of a…

Q: The pH of a 1.50 M solution of anilinium chloride (C6H5NH3Cl) is _____.   Kb(C6H5NH2) = 4.3 × 10‒10…

A: Given,Kb(C6H5NH2) = 4.3 × 10‒10[C6H5NH3Cl] = 1.5 M

Q: Whats pH of a solution that is 0.010 M in HClO Ka = 3.5 × 10–8 and 0.010 M in HCl?

A: Since HCl is a strong acid, it is completely dissociated into H+(aq) and Cl-(aq).  Hence [H+(aq)] =…

Q: Sodium benzoate (NaC6H5COO) is a common food preservative. What is the pH of a 0.150 M NaC6H5COO…

A:

Q: 43 uhat is the pH of an aaueous *] = if the ItH 0:000 04a M2 4,38 9.67 5.38 4.67 0.60

A: An acidic substance is the substance that can give H+ ions. They are corrosive and sour in nature.…

Q: Which of the following is neutral? Select all that apply. A. A solution with [OH] = 1.0 x 107 B. A…

A:

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.