Calculate the pH of a 0.6 M solution of Na,S. For H2S: Ka1 = 9.1x10 Ka2 = 1.2x10 15 a. 7.18 b. 14.35 OC. 6.82 Od. -0.35

Q: а. Calculate the pH of a 0.0813M solution of hydrogen sulfide (H2S) where: H2Stag) > H*(ag) + HS…

A: pH is defined as negative logarithm of hydrogen ion concentration and it is represented as  pH =…

Q: Phosphoric acid, H3PO4 is a triprotic acid.    pKa1= 2.16      pKa2=7.21            pKa3=12.32…

A: Given data, Molarity of HPO42-=0.450MpKa1=2.16pKa2=7.21pKa3=12.32

Q: For nitrous acid, HNO 2, K a = 4.0 × 10 –4. Calculate the pH of 0.54 M HNO 2.   a. 1.83 b. 0.27 c.…

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Q: 19) Calculate the pH of a solution (aq., 25 °C) prepared by dissolving 48.026 g of ammonium nitrate…

A: Given:   Mass of NH4NO3=48.026g   Molar mass of NH4NO3=80.043 g/mol   Volume =2.00L…

Q: What is the pH of a 0.00450 M HNO3 solution? A) 2.35 B) 3.52 С) 4.50 D) 11.65

A: We know that, pH of the solution can be expressed as negative logarithm of hydronium ion…

Q: pH

A: pH is used to determine the concentration of hydronium ion.

Q: Calculate the pH of a solution when 21.0 mL of 0.050 M hydrazine (N2H2, Kb=8.9E-7) is titrated with…

A: pH of a weak base titration with strong acid can be determine using Henderson hasselbalch equation.

Q: The pH of a 0.15-M solution of HSO4− is 1.43. Determine Ka for HSO4− from these data.

A: Given, initial concentration of HSO4− = 0.15 M            pH = 1.43 We know that, pH is the negative…

Q: Which one of the following statements is true? A. A solution with a pH of 13.10 will have a lower…

A: The statements given are, A) A solution with a pH of 13.10 will have a lower concentration of…

Q: Calculate the pH of water at 60 °C. The pKa of water is 13.017 at this temperature.

A: Since pKa = -log(Ka) => Ka = 10-pKa  = 10-13.017 = 9.62 X 10-14 approx H2O (l) -----> H+(aq) +…

Q: What is the pH of a 0.50 M solution of Ca(OH)2? 14.00 O 0.30 1.00 9.70

A: Ca(OH)2 is a strong base , but less soluble base. But since it is strong base, all the Ca(OH)2 which…

Q: What is the pH of a 0.015 M HCIO4 solution? a. 1.82 O b. 12.18 C. 0.015 d. 0.030

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Q: Calculate the pH of a 0.063-M Al (NO3), solution. The K, value for Al (H2O),* is 1.4 x 10-º. pH =|

A: Given that: concentration of Al(NO3)3 = 0.063 M Ka = 1.4 ×10-5  To find: The pH?

Q: 36. Determine the pH of 0.25 M HBr solution.* A. 0.30 O B. 0.52 C. 0.60 O D. 13.0

A: 1 mol of HBr contains one mole of each H+ and Br- ions each.

Q: 28. The pH of a solution is measured to be 10.4. What are the values of (HO] and (OH for this…

A:

Q: Calculate the pH of a solution that is prepared by dissolving 8.98 g LiF in enough water to make…

A:

Q: The triprotic acid H, A has ionization constants of K -9.31 x 10, Ka = 4.94 x 10, and K 6.54 x 10…

A:

Q: estion What is the pH of a 0.223 M LİNO2 solution at 25 °C (Ka for HNO2 = 4.0 × 104)? (the answer…

A:

Q: 28. What is the pH of a 0.62 M NH;NO3 solution at 25 °C? * [Kb for NH, is 1.76 × 10*] A. 2.48 В.…

A: Ammonium nitrate is a slat of weak base, ammonium hydroxide and strong acid, nitric acid.…

Q: (a) A solution is prepared by dissolving 0.23 mol of NaH(s) inenough water to form 2.8 L of…

A: (a) given information, A solution is prepared by dissolving 0.23 mol of NaH(s) in enough water to…

Q: Household bleach is prepared by dissolving chlorine in water.  Cl2 (g) + H2O  « H+ (aq)  +  Cl-…

A: PHis  defined as the power of Hydrogen.it measure acidity, basicity or neutrality of aqueous…

Q: Sodium hypochlorite (NaOCl, 74.44 g/mol) is a common ingredient in household bleach. What is the pH…

A:

Q: Calculate the pH of an a. 3.00 b. 4.00 с. 5.00 d. 6.00

A: Given, Ka = 4.9 x 10-10  PH = ?

Q: If the pH of a 0.0850 M solution of HB1O2 is 2.29, then what is the value for the acidity constant,…

A: HBrO2 +     H2O →     H3O+   +    BrO2-Initial              0.0850…

Q: Calculate the pH of 0.075 MNAOH. (a) 10.40(b) 11.12(c) 11.46(d) 12.88(e) 13.26 fhudrochloric acid is…

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Q: base has % ionization of 0.5%. What is the pH of 0.03 M solution of the base? a. 10.18 b. 1.50 c.…

A: GIVEN   % ionization is 0.5% Let         The base is NaOH and ionization of NaOH                NaOH…

Q: The poison strychnine is a weakly basic compound with Kb = 1.8 x 10 What is the pH of a 0.058 M…

A: Given that, 0.058 M solution of a weak base, i.e. C = 0.058 M. The Kb is 1.8×10-6. We have to…

Q: The pk, for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.95 O b. 1.24 O c.…

A:

Q: Calculate the pH of water at 25°C and 75°C. The values for pKw at these temperatures are 13.99 and…

A: Water (H2O) is a unique compound, it can behave as an weak acid as well as a weak base depending…

Q: In the reaction ASF3(g) + SBF5(1) --> [ASF2]*[S6F6](s), which is the Lewis Acid? A. ASF3 B. SÞF5 C.…

A: A substance that can accept one or more pair of electrons are known as lewis acid , however one that…

Q: What is the pH of a 0.65 M solution of pyridine, C5H5N? (a) 4.48 (b) 8.96 (c) 9.52 (d) 9.62 (e) 9.71

A: Given,  The concentration of C5H5N is 0.65M The kb value of C5H5N is 1.7×10-9   To solve: pH of…

Q: What is the pH of a solution containing 5.5 x 10S M OH? O a. 10.29 O b. 7.00 Oc 9.74 O d. 5.47

A: The hydroxide ion concentration of the given solution is = 5.5×10-5 M The pH of the solution is =?

Q: Complete and balance the equations according to acid and base behavior in water. H,O HNO,(aq) H,O*…

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

Q: UESTION 7 Determine the hydronium ion concentration for solutions with the following pH values: a.…

A:

Q: The pH of a 0.0040 M solution of Ca(OH), is A) 13.02 B) 11.90 C) 11.60 D) 2.097 MacВook Air

A: Given Concentration of Ca(OH) 2 = 0.0040 M Concentration of OH- = 2 x 0.040 = 0.0080 M

Q: Carbonic acid, H₂CO₃ is a diprotic acid with Ka1 = 4.3 × 10⁻⁷ and Ka2 = 5.6 × 10⁻¹¹. What is the pH…

A: Interpretation: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.3×10-7 and Ka2 = 5.6 × 10-11.…

Q: At 25°C, the Henry’s law constant for carbon dioxide dissolved in water is 1.8 × 103 atm. Calculate…

A: According to Henry's law,the vapor pressure of the substance dissolved in the solution is directly…

Q: Explain what happens to the ratio of the two common forms of free residua! chlorine as the pH of…

A: Hypochlorite, ClO-(aq) is a conjugate base of HOCl.  #(i): Since HOCl(aq) and ClO-(aq) are conjugate…

Q: c. H20 = Lewis Base (donate 10. Calculate the pH of 0.3M solution of NH,Br if Ka of NH4* = 5.6x10-10…

A: The pH of a 0.3 M solution of NH4Br is to be calculated if Ka of NH4+ = 5.6×10-10

Q: Hydrazine, N2H4 has Kb= 1.3E-6. Calculate the pH of 0.486M solution of N2H4.

A: Hydrazine is a weak base.We have to calculate pH given hydrazine solution. Recall the following…

Q: Carbonic acid, H₂CO₃ is a diprotic acid with Ka1 = 4.3 × 10⁻⁷ and Ka2 = 5.6 × 10⁻¹¹. What is the pH…

A: H2CO3 is weak diprotic acid so its pH is not directly calculated

Q: Calculate the pH of 0.221 M HN0 3( aq). O a. 1.510 O b.-1.139 Oc. 2.210 O d. 0.656 O e. 13.779

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Q: What mass of HClO4 must be present in 0.500 L of solution to obtain a solution with each pH value?a.…

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

Q: Fill in the Blanks Type your answers in all of the blanks and submit When sulfurous acid, H2SO4 is…

A: According to Bronsted Lowry theory if any atom/ion/compound accept proton (H+) then that species…

Q: The [H3O+] in a 0.005 M solution of Mg(OH)2 is: * O (a) 1.0 x 10-12 M O (b) 2.0 x 10-12 M O (c) 1.0…

A: MgOH2  → Mg2+ + 2 OH-OH- = 2 × 0.005M = 0.01 MWe know thatKw = H3O+OH-    ....(ionic product of…

Q: Calculate the pH of a 0.085 M solution of acetic acid, HC2H302. (ka=1.9x10-5) HC2H302 - H* + C2H3O2…

A: pH measures the strength of acids and base that how the solution is acidic and basic lower the pH…

Q: Calculate the pH of the following aqueous solution:           0.62 M H2S (pKa1 = 7.00; pKa2 =…

A: H2Saq⥪H+aq+HS-aq                                       pKai=7.00                PKa1=-log Ka1…

Q: What is the H,O"| of a solution of HI with a pH = 1.45? O la) 0.0355 O (b) 0.1173 O (c) 0.3548 O (d)…

A:

Q: Sodium fluoride is added to many municipalwater supplies to reduce tooth decay. Calculate the pH…

A: Sodium fluoride is dissociated in the form of the ions  Na+ and F-, and this fluoride anion reacts…

Q: Butyric acid, HB, is responsible for the odor of rancid butter and cheese. Its K₂ is 1.51 x 105.…

A: Given, Concentration of butyric acid solution (C) = 0.22 M Ka of butyric acid = 1.51 × 10-5 pH of…