The ionic strength of 0.10 M AI(NO3)3 is: O 0.10 O 0.70 O 0.30 O 0.20 O 0.60

Q: What is the pH of a 0.0300 M solution of NaNO2? (K, for HNO2 = 4.00 x 104) %3D O 7.00 O 7.94 8.81…

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Q: Write down the reaction between [Cr(C2O4)2(H2O)2] and dilute potassium hydroxide.

A: The given compound must be [Cr(C2O4)2(H2O)2]- instead of [Cr(C2O4)2(H2O)2]. [Cr(C2O4)2(H2O)2]-…

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: . Give complete chemical equations of the following reactions a. Oxalic acid + Sodium hydroxide > b.…

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Express the concentration of a 5% w/v sulfuric acid (sp.gr. 1.80) in %wiw. O a. 2.78 %w/w O b. 1.77…

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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 activity coefficient of Hg22+ in a solution of 3.3 mM Hg2(NO3)2? O 0.67 O 0.65 O 0.63 O…

A: Given, Concentration of Hg2(NO3)2 is 3.3 mM activity of Hg22+ =  ?

Q: Calculate the ionic strength (j) for a) the solution of AlCl3 (0.01 N) + Ca(NO3)2 (0.002 M)…

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Q: the ionic strength of a 0.05F H3PO4

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Q: The pOH of a 0.025 M of HCIO4 is O a. 12.40 ОБ. 0.94 O c. 13.06 O d. 1.60

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Q: What is the thickness of the ionic atmosphere (in nanometer, nm) for a solution of 0 29 mol/L of KCP…

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Q: As2. .. What is the minimum pH needed to prepare 1% sodium phenobarbital in water? Intrinsic…

A: We have to prepare 1% sodium phenobarbital in water. Solubility = 0.004M MW = 232.2g/mol pKa = 7.41

Q: Calculate the ionic strength of 0.5M Al2(SO4)3.

A: Al2(SO4)3 ----> 2Al3+ + 3SO42- 0.5 M                1 M         1.5 M Ionic strngth = 1/2 ΣCiZi2…

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

A: Given: Ksp of BaF2 = 1.8 x 10-7 Concentration of Ba2+ = [Ba2+] = 5.0 x 10-4 M

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

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

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

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Q: Lithium hypoiodite (LiOl) is the lithium salt of the conjugate base of hypoiodous acid. The Ka for…

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Q: What is the pH of a 0.20 M solution of CH3NH3NO3 at 25 °C? At this temperature, the Kp for CH3NH2 is…

A: Both given Ka and Kb are given, means this salt is a weak acid-weak base type salt. -PH or [H+] of…

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

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Q: What is the pH of a 0.473 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

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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: What is the molar ratio of Fe(III) ion (Fe3+) to [Fe(SCN)6]3−?

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Q: A 0.100 M solution of nitrous acid (HNO2) had a pH of 2.07. What is the Ka value for nitrous acid.…

A: We are given Nitrous acid and its pH. We have to find Ka. Concentration of nitrous acid = 0.1 M

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: mine the pH of a 0.52 M lithium nitrite solution. (Ka for nitrous acid = 4.5 x 10-4 7.00 12.18 8.53…

A: Given, the Ka for nitrous acid = 4.5×10-4 We have to calculate the pH of 0.52 M lithium nitrite…

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: 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: Tetraphosphorus decaoxide (P₄O₁₀) is made from phos-phate rock and used as a drying agent in the…

A: The answer for part (a) is given below. Kindly repost the other part as separate question

Q: The ionic strength of 0.30 M NaCl is: O 0.30 O 0.10 O 0.40 O 0.60 O 0.70

A: Given: Concentration of NaCl = 0.30 M Since NaCl is an ionic compound which will dissociate…

Q: The ionic strength of 0.10 M AI(NO3)3 is: O 0.30 O 0.10 O 0.70 O 0.60 O 0.20

A: Given: Concentration of Al(NO3)3 = 0.10 M Since Al(NO3)3 is an ionic compound which will dissociate…

Q: Calculate the pH of a 0.20 M solution of NaC2H302. HC2H3O2 has a Ka-1.8 O a. 8.56 O b. 7.00 Oc. 9.02…

A: The question is based on the concept of salt hydrolysis. We have to calculate pH of the Sodium…

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: The acid strength decreases in the series HBr > HSO, > CH3COOH > HCN > HCO, Which of the following…

A: The order of acidity of conjugate bases are same as the acidity of acids. But a strong acid has weak…

Q: Indicate whether each of these Lewis Acids is likely to form stronger bonds to fluoride or iodid and…

A: The given caions are Ag+, H+, Cu+, Ti4+, V5+. The above cations form strong bonds with either…

Q: What is the pH of a solution that is 0.063 M in HA and also 0.023 M in NaA? (Ka = 4.1 x 10-6) %3D O…

A: given, concentration of HA = 0.063M concentration of NaA= 0.023M Ka = 4.1×10-6

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: 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: A buffer solution is 0.318 M in HClO and 0.217 M in KClO . If Ka for HClO is 3.5×10-8 , what is the…

A: pH = pKa + log [salt]/[acid]

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: What is the molar concenuration of hydronium [H,O*] ions in a solution prepared at 25°C with a pH of…

A: The acidic or basic nature of a solution is determined by its pH value. pH measures the…

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…

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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: Supposed a 0.33 M aqueous solution of sulfuric acid (H2SO4) is prepared. Calculate the equilibrium…

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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…