Calculate the pH of the following aqueous solution: 0.17MHOCl (pKa= 7.46) Select one: a. 9.89 b....

Question

Question

Calculate the pH of the following aqueous solution: 0.17MHOCl (pK_a= 7.46)

Select one:

a. 9.89

b. 4.11

c. 5.77

d. 8.23

science chemistry

Answer 1

Similar Homework Help Questions

Which of the following 0.10 M aqueous solutions gives the highest pH? A) CH3COOH (pKa =...

Which of the following 0.10 M aqueous solutions gives the highest pH? A) CH3COOH (pKa = 4.75) B) HF (PK:= 3.45) C) H3PO4 (pKal = 2.12) D) HCIQ (Ka=2.00) E) Since all are acids, the pH is the same for all solutions. 5. Which one of the following salts gives an acidic aqueous solution? A) CsNO3 B) CaCl2C ) LiF D) Cr(CIO4)3 E) NaCH3CO2 6. 7. All of the following are strong acids except A) HCIQB) HC104 C) HI D)...
1. Hypochlorous acid has a pKa = 7.46 (a) Determine the pH and percent ionization of...

1. Hypochlorous acid has a pKa = 7.46 (a) Determine the pH and percent ionization of 0.25M hypochlorous acid (b) Consider a 0.25 M hypochlorous acid / 0.35 M sodium hypochlorite buffer. What is the pH of this buffer. (c) What is the pH of a solution made by mixing 15.0 mL of 0.1 M NaOH with 135 mL of the buffer.
A)Calculate the ph of an aqueous solution of 0.0400M formic acid, HCOOH at 25c. The Pka...

A)Calculate the ph of an aqueous solution of 0.0400M formic acid, HCOOH at 25c. The Pka of HCOOH=2.796 a)3.447 b)2.347 c)2.140 d)2.796 e)2.796 f)2.533 g)4.102 h)1.891 -I keep getting 2.097(please explain if im having some issues with significant figures) the answer is 2.140 B) A saturated solution in water has [pb2+]=0.0159M and [Cl-]=0.0317M at 25c. Calculate the ksp of PbCl2 C) How many grams of sodium floride (MW=41.99g/mol) must be added to 455. mL of a 0.115M HF solution to...

1. Calculate the concentration of H3O+ for an aqueous solution with a pH of 1.2 A)...

1. Calculate the concentration of H3O+ for an aqueous solution with a pH of 1.2 A) 6.3 x 10-7M B ) 1.6 x 108 M. C) 1.0 x 10-14 M. D) 6.20 x 10-2 M E) 4.0 x 10-4M 2. Calculate the concentration of OH- for an aqueous solution with a pH of 13.8. A) 0.64 M B) 4.0 x 10-5M C) 1.5 x 10-5M D) 1.0 x 10-14 M E) 2.5 x 10-10 M 3. Which of the following...
In an aqueous solution of a certain acid with pKa = 7.33 the pH is 4.59....

In an aqueous solution of a certain acid with pKa = 7.33 the pH is 4.59. Calculate the percent of the acid that is dissociated in this solution. Round your answer to 2 significant digits.
Calculate the approximate pH of an aqueous solution of sodium carbonate Na2CO3 , 0.28 M, at...

Calculate the approximate pH of an aqueous solution of sodium carbonate Na2CO3 , 0.28 M, at 25°C. (Note: consider one decimal place for the pH answer.) pKa H2CO3 /HCO3− = 6.35, pKa HCO3- /CO32-= 10.30

Calculate the concentrations of the molecular and ionic species and the pH in aqueous solution that...

Calculate the concentrations of the molecular and ionic species and the pH in aqueous solution that has a formal composition of 0.2350 M KH2PO4 + 0.4300 M K2HPO4. ph of 7.46 What is the concentration of the molecular species H3PO4?
Calculate the approximate pH of an aqueous solution of a mixture of CH3COOH, 0.27 M, and...

Calculate the approximate pH of an aqueous solution of a mixture of CH3COOH, 0.27 M, and CH3COONa, 0.15 M, at 25°C. (Note: consider one decimal place for the pH answer.) pKa = 4.76.
Calculate the approximate pH of an aqueous solution of ammonium chloride, NH4Cl , 0.03 M, and...

Calculate the approximate pH of an aqueous solution of ammonium chloride, NH4Cl , 0.03 M, and sodium acetate, CH3COONa, 0.12 M at 25°C. (Note: consider one decimal place for the pH answer.) pKa NH4+/NH3 = 9.24 pKa CH3COOH/CH3COO- = 4.76

Calculate the approximate pH of an aqueous solution of H2S , 0.05 M, and H3PO4, 0.21...

Calculate the approximate pH of an aqueous solution of H2S , 0.05 M, and H3PO4, 0.21 M at 25°C. (Note: consider one decimal place for the pH answer.) pKa H2S/HS- = 7.02, pKa HS-/S2- = 13.99 pKaH3PO4/ H2PO4- =2.15, pKaH2PO4-/HPO42-=7.15, pKa HPO42-/ PO43- =12.38