Homework Answers
Answer: Option (E) 4.47
Calculation is shown below:
For HClO:
Given, Ka = 3.0 × 10-8, T = 25°C, CHClO = 0.0385
[H3O+] = √(Ka×CHClO) = √(3.0×10-8×0.0385) = 3.3 ×10-5
pH = -log [H3O+] = -log [3.3 ×10-5] = 4.48 ~ 4.47
Add Answer to:
Question 22 (1 point) The K, of hypochlorous acid (HCIO) is 3.0 * 10-at 25.0 "C....
The Ka of hypochlorous acid (HClO) is 3.0 x 10-8 at 25.0 degree Celsius. Calculate the...
The Ka of hypochlorous acid (HClO) is 3.0 x 10-8 at 25.0 degree Celsius. Calculate the pH of a 0.0385 M hypochlorous acid solution. a.) 1.41 b.) 8.94 c.) 4.47 d.) 7.52 e.) -1.41 please show your solutions and explanations. Thank you.
DO 13.0 10-13 d. 1.20 - - 1.07 Answer: 15. The Koot hypochlorous act THCIO 1,...
DO 13.0 10-13 d. 1.20 - - 1.07 Answer: 15. The Koot hypochlorous act THCIO 1, 0 10- 25.0 "C. Calculate the ol or u.uso nuoochlorous acid solution.. a3.05 b. 6.52 C. 9.53 d. 4.47 e. -3.05 Answer: 16. Calculate the pH of a 0.500 Maqueous solution of NH3-The of NW 177x10-5 a. 11.77 1. 2.53 c. 2.23 d. 11.47 e. B.95 Answer: ITTK-mol W + E +fF+gG AG = AH; - TAS AGA AH290 - TAS Ke! I'll [D]...
3) Hypochlorous acid (HOCI) is a weak monoprotic acid, with K. = 3.0 x 10-8 a)...
3) Hypochlorous acid (HOCI) is a weak monoprotic acid, with K. = 3.0 x 10-8 a) What is the value for pH for a 0.0264 M aqueous solution of hypochlorous acid? [12 points] b) 0.0100 moles of NaOH, a strong soluble base, is added to 1.000 L of the above solution of hypochlorous acid. What will be the pH for this new solution? [15 points)
Option C is not correct. A 25.0 mL of a weak acid is titrated with a...
Option C is not correct. A 25.0 mL of a weak acid is titrated with a strong base (0.1 M). Calculate the pH of the solution during the titration if the weak acid concentration is 0.10 M and its Ka = 1.8 x 10-5 and 10.0 mL of base has been added. (Hint: use Henderson-Hasselbach equation). Question options: a) pH= 7.00 b) pH= 5.28 c) pH = 4.56 d) pH= 4.74
The acid-dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 ⋅ 10−8. At equilibrium,...
The acid-dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 ⋅ 10−8. At equilibrium, the molarity of H3O+ in a 0.033 M solution of HClO is ________. a) 3.2 ⋅ 10−10 b) 0.033 c) 1.48 d) 3.1 ⋅ 10−5 e) 4.50
help with all these please 10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with...
help with all these please
10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hypochlorous acid is 3.0 x 10-8 A) 7.25 B) 1.34 C) 4.43 D) 7.58 E) 7.46 11. Calculate the pH and pOH of a solution that is 0.075 M HCN and 0.06 M NaCN. 12. The solubility of silver bromide is greater in 0.10 M...
This FRQ is kinda confusing me, could someone help me please :) 127.Hypochlorous acid, HOCI, is...
This FRQ is kinda confusing me, could someone help me please
:)
127.Hypochlorous acid, HOCI, is a weak acid in water. The K, expression for HOCI is shown above Write a chemical equation showing how HOCI behaves as an acid in water a. Calculate the pH ofa 0.175 M solution of HOCI b. Write the net ionic equation for the reaction between the weak acid HOCI(aq) and the strong base NaOH(aq) In an experiment, 20.00 mL of 0.175 M HOCI(aq)...
Question 1 (2 points) The relationship between a weak acid and its conjugate base at the...
Question 1 (2 points) The relationship between a weak acid and its conjugate base at the 1/2 neutralization point is: the weak acid's concentration is greater than the conjugate base concentration. the weak acid's concentration is less than the conjugate base's concentration the weak acid's concentration is 1/2 the concentration of the conjugate base's concentration the weak acid and conjugate base have the same concentration. Question 2 (3 points) ✓ Saved The pka of acid is 4.8. Determine the acid's...
1. Calculate the pH of 1.0 M monochloroacetic acid (HCHCIO) with a K, of 1.35x10 (10...
1. Calculate the pH of 1.0 M monochloroacetic acid (HCHCIO) with a K, of 1.35x10 (10 points. HCq Ha Cload Catz (102H 0 & X y X 0 2. Calculate the erams of sodium sorbate (NaCsH-CO) required to make 1.00 liter of a 0.0860M sorbic acid solution pH 3.80. The K, for sorbic acid is 1.70 x10 (10 points). 3. A 25.0 mL sample of 0.120 M of lactic acid (HCH.0.) is titrated with 25.0 mL of sodium hydroxide to...
DATA AND CALCULATIONS Time at equivalence point (s) Time of color Trial *Equation for acid-base reaction...
DATA AND CALCULATIONS Time at equivalence point (s) Time of color Trial *Equation for acid-base reaction change (s) NaOH+HCI - 21 0s 1 250.5 NaOH+ HC2H3O2- 2 8l.55 99s 3 NH3+ HCl- 930s 4 NH3 + HC2H3O2- 90.55 81.Os Complete the reactions above. Attach copies of all four graphs to this report. 1. 2. Examine the time data for each of the Trials 1- -4. In which trial(s) did the indicator change color at about the same time as the...
DO 13.0 10-13 d. 1.20 - - 1.07 Answer: 15. The Koot hypochlorous act THCIO 1, 0 10- 25.0 "C. Calculate the ol or u.uso nuoochlorous acid solution.. a3.05 b. 6.52 C. 9.53 d. 4.47 e. -3.05 Answer: 16. Calculate the pH of a 0.500 Maqueous solution of NH3-The of NW 177x10-5 a. 11.77 1. 2.53 c. 2.23 d. 11.47 e. B.95 Answer: ITTK-mol W + E +fF+gG AG = AH; - TAS AGA AH290 - TAS Ke! I'll [D]...
3) Hypochlorous acid (HOCI) is a weak monoprotic acid, with K. = 3.0 x 10-8 a) What is the value for pH for a 0.0264 M aqueous solution of hypochlorous acid? [12 points] b) 0.0100 moles of NaOH, a strong soluble base, is added to 1.000 L of the above solution of hypochlorous acid. What will be the pH for this new solution? [15 points)
help with all these please
10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hypochlorous acid is 3.0 x 10-8 A) 7.25 B) 1.34 C) 4.43 D) 7.58 E) 7.46 11. Calculate the pH and pOH of a solution that is 0.075 M HCN and 0.06 M NaCN. 12. The solubility of silver bromide is greater in 0.10 M...
This FRQ is kinda confusing me, could someone help me please
:)
127.Hypochlorous acid, HOCI, is a weak acid in water. The K, expression for HOCI is shown above Write a chemical equation showing how HOCI behaves as an acid in water a. Calculate the pH ofa 0.175 M solution of HOCI b. Write the net ionic equation for the reaction between the weak acid HOCI(aq) and the strong base NaOH(aq) In an experiment, 20.00 mL of 0.175 M HOCI(aq)...
Question 1 (2 points) The relationship between a weak acid and its conjugate base at the 1/2 neutralization point is: the weak acid's concentration is greater than the conjugate base concentration. the weak acid's concentration is less than the conjugate base's concentration the weak acid's concentration is 1/2 the concentration of the conjugate base's concentration the weak acid and conjugate base have the same concentration. Question 2 (3 points) ✓ Saved The pka of acid is 4.8. Determine the acid's...
1. Calculate the pH of 1.0 M monochloroacetic acid (HCHCIO) with a K, of 1.35x10 (10 points. HCq Ha Cload Catz (102H 0 & X y X 0 2. Calculate the erams of sodium sorbate (NaCsH-CO) required to make 1.00 liter of a 0.0860M sorbic acid solution pH 3.80. The K, for sorbic acid is 1.70 x10 (10 points). 3. A 25.0 mL sample of 0.120 M of lactic acid (HCH.0.) is titrated with 25.0 mL of sodium hydroxide to...
DATA AND CALCULATIONS Time at equivalence point (s) Time of color Trial *Equation for acid-base reaction change (s) NaOH+HCI - 21 0s 1 250.5 NaOH+ HC2H3O2- 2 8l.55 99s 3 NH3+ HCl- 930s 4 NH3 + HC2H3O2- 90.55 81.Os Complete the reactions above. Attach copies of all four graphs to this report. 1. 2. Examine the time data for each of the Trials 1- -4. In which trial(s) did the indicator change color at about the same time as the...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago