The acid ionization constant for Sc(H2O)63+ (aq) is 5.0×10-5 . Calculate the pH of a 0.0043 M solution of Sc(NO3)3 . pH =

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 0.35 M solution of hydrofluoric acid with a Ka of 6.6 x 10-4? О 3.23 O 5.47 O…

A: Given: Concentration of HF = 0.35 M Ka of HF = 6.6x10-4

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: Calculate the pH of a 0.600M solution of tin chloride SnCl2.

A:

Q: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 10*

A: KN3 is a salt of weak acid HN3 and strong base KOH  This salt undergo a anionic salt hydrolysis…

Q: What is the pH of a 0.35 M solution of trimethylamine, (CH3),N (Kb = 7.4 x 10 5)?

A: Given : concentration of (CH3)3N solution = 0.35 M  Kb for (CH3)3N = 7.4 × 10-5  To calculate :-  pH…

Q: Hydrogen fluoride (HF) behaves as a weak acid in aqueous solution. Two equilibria influence which…

A: Given: HFg+Hl ↔H3O+aq+F-aq---1K1=1.1×10-3F-aq+HFg↔HF2-aq---2K2=2.6×10-2

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

A: pH is the negative logarithm of the hydrogen ion concentration. It is a measure of acidity or…

Q: Calculate the concentration of CO²- In an aqueous solution of 0.255 M carbonic acid, H₂CO₂ (aq).…

A: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.47*10-7 and Ka2 = 4.68*10-11  Given the…

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

A:

Q: The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water…

A: At certain temperature, the mixing property of components is determined by their solubility product…

Q: The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water…

A: At certain temperature, the mixing property of components is determined by their solubility product…

Q: If the equilibrium constant for 3A+3B= 3C is 0.169, then what is the equilibrium constant for 2C=…

A: Consider the information is as follows; 3 A   +    3B     ⇌     3C                 Keq=0.169…

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

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: Calculate the pH of a 0.65 M solution of aqueous bromous acid (HBrO2, Ka = 1.2 x 10-5).

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

Q: Calculate the pH of 1.0 M hydrazinium chloride, N2H5CI. For hydrazine, N2H4, Kp = 1.3 x 106. pH =…

A:

Q: The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H 2O)…

A: [Ni(H2O)6]2+ is a Bronsted- Lowry acid. It releases H3O+ in solution.The acid ionization reaction is…

Q: Calculate the K, for the conjugate acid of CgH3O; given that the pH of a 0.372 M solution of…

A: Answer is explained below.

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: The acid ionization constant for Ga(H20)63+(aq) is 2.5x10-3. Calculate the pH of a 0.1120 M solution…

A:

Q: Hydrogen fluoride (HF) behaves as a weak acid in aqueous solution. Two equilibria influence which…

A: Step1:- HF behaves as a weak acid. But in the presenceof water, HF is stronger acidthan water.…

Q: Calculate the pH and percent ionization of a 0.25M solution of hydrazine, N2H4, Kb = 1.3*10^-6.

A:

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: Estimate the pH change brought about by dissolving 4 mg/L of Cl2 in water with an initial alkalinity…

A: Given, Cl2 = 4 mg/L initial alkalinity = 1.0 meq/L pH = 7.0

Q: The acid ionization constant for Co(H 2O) 62+(aq) is 3 ×10-10. Calculate the pH of a 0.10 M solution…

A: In this complex  CoH2O6+2Co is present in +2 oxidation state . For this we have to use complete…

Q: Calculate the pH and the pOH of a 0.05M H2SO4 solution.

A: pH is the negative logarithm of H+ concentration to the base 10 represented by: pH = -logH+ For a…

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: 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: 5. The equilibrium constant, K¸, for the reaction below is 6.0 x 10 ³. Fe(H,0),*(aq) +…

A: The concentration of the hydrogen ions released is equal to (KaC)1/2 where Ka is the dissociation…

Q: Calculate the equilibrium constant for the reaction 2Fe3++H3AsO3+H2O=2Fe2++H3AsO4+2H+

A: Observing the given reaction shows that it is a redox reaction. First the E0 of the reaction is…

Q: Calculate the pH of a solution containing 0.085 M nitrousacid (HNO2, Ka = 4.5 x 10-4) and 0.10 M…

A:

Q: Calculate the pH of a 0.597 M solution of chloroacetic acid (CICH;CO,H, K, = 1.36 x 10-3).

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: 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: Aqueous solutions of aluminum ions Al^3+ are acidic while those of carbonate CO3^-2 are basic why?

A:

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: What should happen when the concentration of chloride is increased in a solution containing…

A:

Q: Calculate the pH of 0.0154 M NaN3. (Ka of HN3 = 1.9 x 10-5)

A: NaN3 is a salt of weak acid (HN3) and strong base (NaOH). We know, the pH of salt, which is formed…

Q: Calculate the equilibrium constant of the following reaction: 2NO (g) + O, (g)-2NO, (g) = 0.0548 M…

A: Equilibrium constant (K): It can be defined as relation between reactants and products at…

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: how change in pH changes the colour of K2Cr2O7?

A:

Q: Calculate the pH of a 0.0325 M hypochlorous acid solution. [ K, = 3.0 x 10-8]. %3D O 9.49 O 4.51 O…

A:

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: The acid ionization constant for Fe(H 2O) 62+(aq) is 3 ×10-6. Calculate the pH of a 0.10 M solution…

A: Acid ionization constant denoted by Ka is the equilibrium constant measure of tendency of an acid to…