What is the pH of a 0.870 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10-4)? 1 4 6. 3. LO

Q: What is the pH of a 3.50 M solution of NH4CI (Ká of NH3= 1.8 x 105)?

A:

Q: A solution is prepared by dissolving 4.50 g of solid NaOH in 1.00 L o 0.100 M HNO₂(aq) (Ka =…

A: The pH of the solution can be calculated as follows

Q: 1. The oxalate ion concentration, C;0. of 0.20 M H;C0 is adjusted to a value of 3.00 x 10 M. What is…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 ml of solution.…

A: Consider the given information is as follows; Mass of KCH3CO2 = 4.9 g Volume of solution = 500 mL =…

Q: Calculate the pH of a solution of 6.5 x 10 mol of Ca(OH)2 in 10.0 L of water. Ksp(Ca(OH)₂) = 6.5 x…

A:

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.200 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: By using Henderson Hasselbalch equation the pH of the buffer solution is determined by using the…

Q: What is the pH of a 0.150 M solution of aniline (CeH;NH2, Kb = 4.3 × 10-1º)?

A:

Q: What is the pH of a 0.310 M solution of aniline (C₆H₅NH₂, Kb = 4.3 × 10⁻¹⁰)

A: Since aniline is a weak base. Hence it will dissociate as  C₆H₅NH₂ (aq) + H2O (l) ------->…

Q: A 0.432 M solution of pyridine has a pH of 9.40. What is the K, of pyridine? Oa. 2.7 × 104 Ob. 1.5 x…

A:

Q: What is the pH of a 0.136 M aqueous solution of potassium fluoride, KF? (Ka for HF = 7.2×10-4)

A: Potassium fluoride on dissolving in water gives strong base potassium Hydroxide and weak acid…

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 mL of solution.…

A: Answer: option b. 8.87 is the pH of the solution.

Q: What is the pH of a 0.01 M CH3COOH solution? (Ka= 1.74 x 10-5)

A: Given that  Ka of Ch3COOH is 1.74× 10^-5    Concentration of Ch3COOH is 0.01M

Q: What is the pH of a solution that is 0.0032 M in HA and also 0.087 M in NaA? (Ka = 4.1 × 10-6) 6.56…

A:

Q: What is the pH of 0.41 M HCIO? Ka = 3.0 x 10-8? %3D

A: We are provided with information,  [HClO] = 0.41 M Acid dissociation constant Ka = 3.0 × 10-8  We…

Q: 20. What is the pH of a 0.33 M solution of Ca(CN)2?

A:

Q: What is the pH of 1.10 M CrCl3 (K = 1.00x10-4)? %3D

A: Given, Concentration of CrCl3 (C) = 1.10 M Ka = 1.00 × 10-4 pH of the solution = ? Note: pKw = 14…

Q: What will be the pH of a solution containing 0.200 M NaH2PO4 and 0.200 M Na2HPO4? Ka(NaH2PO4) = 6.2…

A: Given,  Molar concentration of weak acid, NaH2PO4 or H2PO4- = [H2PO4-] = 0.200 M Molar concentration…

Q: What is the pH of a 0.173 M aqueous solution of sodium acetate, NaCH3COO? (Ka for CH3COOH =…

A:

Q: What is the pH of a solution that is 0.033 M in HA and also 0.23 Min NaA? (Kg = 4.1 × 10-6) %3D O…

A: We have to calculate the pH of solution.

Q: What is the pH of a 0.36 M solution of HNO2 (Ka = 4.5 x 10-4)?

A:

Q: 3) What is the pH of a 0.235 M solution of potassium fluoride? Ka (HF) = 6.6 x 10-4 A) 11.45 B) 8.28…

A: The relationship between Ka, Kb and Kw is shown as follows, Ka x Kb = Kw Ka is the acid dissociation…

Q: What is the pH of a solution that is 0.063 M in HA and also 0.023 Min NaA? (Ka = 4.1 × 10- O. 5.46…

A: Given: The concentration of HA is 0.063 M The concentration of NaA is 0.023 M The Ka value is 4.1 x…

Q: What is the pH of a solution of 0.06 M of H2CO3, pKa1 = 6.4 and pKa2= 10.3?

A: We will calculate pH

Q: 11. What is the pH of 0.25 M NaNO, solution? 2 [Ka of HNO, = 4.0 x 10“] * Points 5.6 6.0 3.7 9.0 8.4

A:

Q: 3. Calculate the pH of a solution containing 0.10 M H3BO3 and 0.18 M NaH2BO3 Ka = 5.81 X 10 10

A:

Q: What is the pH of a 0.250 M solution of H2SO4? K22 = 1.20×10-2

A:

Q: Find the pH and the concentrations of H2SO3, HSO3, and SO23 in each of the following solutions:…

A:

Q: What is the pH of a 0.618 M carbonic acid (H2CO3) solution given Ka1=4.4×10−7 and Ka2=4.7×10−11?

A:

Q: Determine the pH of a 0.0525M Fe(NO3)3 solution.  Ka of Fe3+ = 6.3x10-3

A: Reaction of ferric nitrate in water is given below Fe3+ is formed from Fe(NO3)3.

Q: What is the pH of 0.035 mol L solution of HF (K, = 6.8×104)? %3D

A: In the question, we are given- Concentration of HF = 0.035 mol L-1 Ka = 6.8 x 10-4

Q: What is the pH of a solution that is 0.048 M in HA and also 0.042 M in NaA? (Ka = 4.1 x 10-6) 6.82…

A: Given, Ka for NaA = 4.1 x 10-6  PH = ?

Q: What is the pH of a solution with a fluoride concentration of 0.20 M ? The Kb for F– is 1.47×10-11 .

A: In order to find the pH of the solution we first write down the given data: Fluoride concentration=…

Q: Barium fluoride (BaF2) has Ksp = 1.8 x 107. What is the maximum fluoride ion concentration possible,…

A: The maximum fluoride ion concentration can be calculated as follows

Q: Nitrous acid is a weak acid and has a concentration of 0.65 mol/L. What is the pH of the solution…

A:

Q: 6. What is the pH of a solution containing 0.550 M HOAc and 0.460 M LiOAc? (ka of HOAc = 1.80 x…

A: The Henderson-Hasselbalch equation shows how the concentrations of an acid and its conjugate base…

Q: What is the pH of a solution of 0.300 M HNO2 containing 0.120 M NaNO2? (Ka of HNO2 is 4.5 × 10¬4)

A: The given data contains, Concentration of weak acid =0.300M Concentration of conjugate base =0.120M…

Q: What is the pH of a 0.350 M solution of lithium citrate? (Ka Citric Acid = 7.4 x 10-4)

A: the pH of a 0.350 M solution of lithium citrate will be :- 8.34

Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.97?

A:

Q: What is the pH of a 0.64 M solution of NH3 (Kb = 1.2 × 10-5)?

A:

Q: Calculate the pH of a solution of 6.5 x 10⁹ mol of Ca(OH)2 in 10.0 L of water. Ksp(Ca(OH)₂) = 6.5 x…

A:

Q: Calculate the pH of a dilute solution that contains a molar ratio of potassium acetate to acetic…

A: Henderson equation for acidic buffer solution: pH = pKa + log CH3COO-CH3COOH  (a) pH = 4.76 + log…

Q: What is the pH of a 0.652 M solution of hydroxylammonium, a weak acid with a K, of 1.1 x 10-6? Oa.…

A: Given, Concentration of hydroxylammonium [NH3OH]+, (c) = 0.652M acid dissociation constant of a weak…

Q: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: What is the pH of a 0.1055 M CH3COOH solution (K, = 1.75 x 10-5)? %3D

A: Answer: ICE table for the dissociation of weak monoprotic acid is shown below:

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kai= 4.3 x 10-; Ka2 = 4.8 x 1011 %3D…

A:

Q: 13.2) What is the pH of a 0.85 M solution of sodium hydrogen sulfite, NaHSO3 (Ka=6.0 x 10^-8)?

A: Given: Initial concentration of NaHSO3=0.85 M Ka for NaHSO3 = 6 x10-8 We know that, pH = -…

Q: Find the pH of a 0.204 M KClO solution. (The Ka of hypochlorous acid, HClO is 2.9×10-8

A: Kclo is a salt of weak acid and strong base so use the formula of PH of salt. PH=10.4

Q: Determine the pH of a 0.0525 M Fe(NO3)3 solution. The Ka for Fe3+ is 6.3 x 10^-3. What is the pH?

A: Reaction of ferric nitrate in water is given below Fe3+ is formed from Fe(NO3)3.

Q: What is the pH of a 0.35 M solution of methylamine (CH3NH2, Kb 4.4 at 25°C? O a. 5.55 b. 12.09 O c.…

A: We will. Calculate pH

Q: What is the pH of a 0.340 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A: The salt given is Ca(NO2)2  Since the salt is made up of strong base cation from Ca(OH)2 and anion…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.