What is the pH of a 0.570 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10-4)?

Q: What is the pH of a solution with [H3O+]=2.42 x 10-4?

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

Q: What is [H] in a 0.430 M solution of acrylic acid, CH2CHCOOH (Ka = 3.16 × 10 5)? %3D

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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…

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Q: For H2CO3, Ka1 = 4.3 × 10–7, Ka2 = 4.7 × 10–11. What is the pH of a 0.36 M solution of carbonic…

A: We have to predict the pH of 0.36 M of carbonic acid .

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…

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Q: What is the pH of a 7.041 x 10^-6 M HCIO4 solution?

A: Given , concentration of acid solution = 7.041 x 10^-6 M   That means,  [H+] = 7.041 x 10^-6 M

Q: Calculate the pH of a 0.25M aqueous solution of sodium fluoride, NaF. (Ka = 6.7 x 104)

A: Given; Concentration of sodium fluoride (NaF) solution = 0.25 M Ka = 6.7 × 10-4 pH of the solution =…

Q: What is the pH of a solution with a fluoride concentration of 0.18 M ? The Kb for F– is 1.47×10-11 .

A: pH: It measures hydrogen ion concentration, which helps in a measure the acidity of the solution,…

Q: What is the pH of a 0.330 M solution of HF (Ka = 6.8 × 104)?

A: Given data contains, Molarity of HF=0.300 M Ka=6.8×10-4. HF is hydrofluoric acid and it gets…

Q: What is the pH of a 0.40 M solution of sodium nitrate, NaNO2 ? The pKa for nitrous acid (HNO2) is…

A: Base dissociation constant Kb is utilized to determine the basic nature of a solution. It refers to…

Q: Write the dissociation equation and calculate the pH for a solution of 2.5 M HNO2 nitrous acid, Ka…

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Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.170 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: pH of a solution is defined as the negative logarithm of H3O+ ion concentration. Here the given…

Q: 1. How many grams of Ca3(PO4)2 will be needed to prepare 500.0 mL of a 0.161-M solution of…

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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 of 0.300 M HNO₂ containing 0.110 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

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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…

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Q: The pH of 0.075 M NH3 solution (Kb for NH3 = 1.75 x 10-5) %3D O 4.94 O 2.09 11.05 O 12.03 8.02

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the…

Q: Calculate the pH of a 0.010-M solution of iodic acid (HIO3, Ka = 0.17).

A: Molarity of Solution = 0.010M Ka of Acid = 0.17 We have to find the pH of the solution of iodic…

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 are the [H,O*| and [OH] of Diet Coke that has a pH of 3.17? ()

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

A: CONCEPT OF SALT HYDROLYSIS AND pH calculation of a salt of weak acid and strong base :

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

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Q: A water solution contains 10 mM HCO3 and 0.2 mg/L CO,2-. We also know the solution pH is 8.5. Please…

A: Solution                          Give that  PH = 8.5 Alkalinity It is the ability of substances…

Q: A weak acid, HA, has pKa=6.2. If a solution of NaA (aq) is prepared, what does the pH of the…

A: The Henderson–Hasselbalch equation relates the pH of a solution containing a mixture of the two…

Q: Calculate the pH of a 0.500 M aqueous solution of NH3. The Kp of NH3 is 1.77 x 10-5 O 8.95 O 11.47 O…

A: Given: Molarity of aqueous solution of NH3 = 0.500 M Kb of NH3 = 1.77×10-5

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

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Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.92?

A: pH is the potential of the hydrogen. It basically defines how acidic or basic the respective…

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: What is the pH of a 0.660 M solution of C3H;NHB (Kb of C5H5N is 1.7 x 10-9)?

A: Given information, [C5H5NHBr] = 0.660 M Kb of C5H5N = 1.7*10-9 Calculate: pH = ?

Q: Calculate the pH of a 0.010 M hypochlorous acid solution. For HOCl, Ka = 3.5x10^-8.

A: Given,  The molarity of hypochlorous acid solution is 0.010 M Ka of HOCl is 3.5 × 10-8  The pH of…

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

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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?

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Q: A 0.200 M solution of nitrous acid (HNO2) had a pH of 2.07. What is the Ka value for nitrous acid.

A: Nitrous acid is a weak acid.

Q: What is the pH of a 6.65×102M aqueous solution of sodium hypochlorite, NACIO? (K, for HCIO =…

A: The equilibrium constant for a reaction is expressed in terms of the ratio of the concentration of…

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 solution of 0.0745 M NACH3O2 ? Ka = 1.8 x 10

A: Given: Concentration of NaC2H3O2, [NaC2H3O2]= 0.0745M Ka = 1.8 x 10-5

Q: For HClO2, Ka= 1.2 × 10-2. What is the pH of an aqueous solution in which [NaClO2] = 0.193 M and…

A: Buffer solution is the solution which contains both acidic as well as basic part. The pH of buffer…

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: Calculate the pH of a solution that is 0.250 M in HClO4 and 0.125 M in CH3COOH (Ka = 1.8 x 10-5)

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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 × 10-6) %3D O…

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Q: Calculate the pH of 0.0470 M LiBrO. Ka of HBrO = 2.8 x 10-9

A: The molarity of LiBrO solution is = 0.0470 M The dissociation constant of the weak acid HBrO is =…

Q: A 0.100 M solution of HOBr has a pH of 5.343. What is Ka for HOBr?

A: Ka is the dissociation constant of an acid. It measures the strength of an acid.

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: What the pH of a 1.47mol / L solution of HCN (aq) if Ka =3.5 x 10^ -11?

A: Given data,Molarity of HCN=1.47mol/LKa=3.5×10-11

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 1.20 M nitrous acid solution? (Ka = 4.50 x 10-4)

A: