What is the pH of a 0.620 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: 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 0.23 M sodium formate solution (HCOONA). Kp for HCOO = 5.9 x 10-11

A: Given that,    Concentration of HCOONa solution = 0.23 M   Kb for HCOO-  = 5.9×10-11  Since, pKb =…

Q: What is the pH of a 0.265 M  solution of H2SO4? Ka2 = 1.20×10–2

A: Given the molarity of   H2SO4 = 0.265 M   H2SO4 is a strong diprotic acid with high Ka1 value and…

Q: Calculate the pKa of hypochlorous acid. The pH of a 0.015 M  solution of hypochlorous acid has a pH…

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Q: 10.T/ An industrial chemist prepares a 0.025 mol/L solution of hydrazoic acid, HN3(aq), a weak…

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Q: Calculate the pH of a 0.053 M NaF solution. (Ka for HF = 7.1 x 10−4.)

A: NaF is a salt of strong base (NaOH) and weak acid (HF)

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 0.680 M solution of Ca(NO2)2 (Ka of HNO, is 4.5 x 104)?

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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: Calculate the pKa of the weak acid HA, given that a solution of 0.65 M HA and 0.85 M NaA has a pH of…

A: The formula for calculating pKa of an acid with the given values of pH and concentrations of HA and…

Q: What is the pH of a 0.232 M solution of ammonia, a weak base with a K of 1.7 x 10-5?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: What is the pH of a 0.126 M aqueous solution of potassium hypochlorite, KClO? (Ka for HClO =…

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Q: Write a chemical equation for the reaction of CO2 and limewater (Ca(OH)2). Write a physical…

A: Chemical equation is the representation of a chemical reaction, in which the reactants and products…

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: 8. What are the [H3O+] and [OH–] of Diet Coke that has a pH of 3.17?

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Q: What is the pH of a 0.0490 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

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Q: What is the pH of a 0.193 M w. acid HA solution? Ka = 6.61 x 10−6?

A: The acid is weak so it weakly dissociates in the solution. That is it gives an H+ ions slowly in to…

Q: Calculate the pH of a 0.050 M aqueous solution of CH3CH2COOH, Ka = 1.80 x 10^-5

A: The pH of a solution is determined as the negative logarithm of the concentration of the hydrogen…

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: Each day the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. Phillips Milk of…

A: Given ,  Molarity of HCl (M1) = 0.10 M Volume of HCl (V1) = 0.093 L = 93. mL  Concentration of…

Q: Calculate the pH of a 3.97×10³ M solution of NaF, given that the Ka of HF = 6.80 x 10-4 at 25°C.

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

A: The pH of salts generated during neutralization reactions is totally dependent on the acid-base…

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 0.836 M anilinium hydrochloride (C6H5NH3CL) solution in water, given that Kb for…

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: Calculate the pH of a 0.20 M solution of sodium acetate (NaCH3COO) given that the Ka of acetic acid…

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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: A 1.2 · 102 M aqueous solution of Ca(OH)2 at 25.0 °C has a pH of, O 12.38 O 12.08 O 1.62 O 2.4 · 102…

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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: Find the pH of a 0.145 M HCIO2(aq) solution. For HCIO2, Ka = 0.011. O 0.84 O 1.46 O 1.34 O 1.40

A: Given: Concentration of HClO2 = 0.145 M And Ka of HClO2 = 0.011

Q: What is the pH of a solution prepared by dissolving 0.450 mol of NH3 in sufficient water to make…

A: Given,  The pH of a solution prepared by dissolving 0.450 mol of NH3 in sufficient water to make…

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: Calculate the pH and percent ionization of a 2.5 x 102 45 x 10:4)

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Q: What is the pH of a 0.40 M solution of K₂SO3?

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Q: Based on the pH measured for the solution of (NH4)2CO3, is NH4+ is a stronger acid or is CO2−3…

A: Given: To determine whether (NH4)2CO3  is strong acid or strong base.   Definition: (NH4)2CO3 is…

Q: What is the pH of a 0.15M solution of potassium nitrate? (The Ka value for nitrous acid is 4.0 x…

A: Considering the given solution to be 0.15 M potassium nitrite, we have solved further.

Q: For H2CO3, Ka1 = 4.3 x 10 7, Ka2 = 4.7 × 10 11. What is the pH of a 0.11 M solution of carbonic…

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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 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: Calculate the concentration of an aqueous solution of Ca1OH22 that has a pH of 10.05.

A: Since Ca(OH)2 is insoluble salt  Hence molar solubility of Ca(OH)2 = concentration of Ca(OH)2 in…

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: What are the pH, pOH and [H3O]+ for a 2.37 x 10-2M HClO4 solution? HClO4 is a strong mineral acid.

A: Given Data

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: A solution of 1.5 M chlorous acid has a pH of 0.91.  What is the percent ionization of the chlorous…

A: Given, A solution of 1.5 M chlorous acid has a pH of 0.91.  KA = 1.1 x 10−2.

Q: Calculate the pH of a 0.67 M solution of sodium nitrite (NANO,). K, (HNO2) =4.6 x 104 8.58 8.01 9.56…

A: pH of 0.67 M NaNO2 solution ( Ka of HNO2 = 4.6 X 10-4 )    First, write the equation for the…

Q: What is the pH of a 0.025 mol/L solution of methanoic acid? K¸ = 1.8 x 10*

A: As methanoic acid is a weak acid, it will dissociate into Methanoate anion and H+ in very small…

Q: 8 g of potassium chloride is dissolved in a quart of distilled water. Calculate the pH value of the…

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