1 answer

Calculate the pH of a weak acid solution using the quadratic formula. Please box answer! Thank...

Question:

Calculate the pH of a weak acid solution using the quadratic formula. Please box answer! Thank you!
Close Problem Tutored Practice Problem 16.4.4 S O NDE Calculate the pH of a weak acid solution (quadratic equation). Calculat
Close Problem Tutored Practice Problem 16.4.4 S O NDE Calculate the pH of a weak acid solution (quadratic equation). Calculate the pll of a 0.0322 M aqueous solution of nitrous acid (HINO), K-4.6x10") and the equilibrium concentrations of the weak acid and its conjugate base pH (HNO3Jequilibrium [NO2 loqulibrum Check Sem Arses Shopproach

Answers

HNO (kq = 4.6*104) + tho HNO +HO HO 2 (aq) I 0.0322 MI H с – ч. 1TB 0.0322- 4 ka [no ] [ the ot] [UNG xon 4.68109 = x 0.0322-ZE Enno 1 = 0.0285745 M x = 0.00362550 [NO, ] - M = 0,00362550 [Hoot 7 = x Now, pH = -log [hot] = -log (0,00362 pH = 2.47 0.0

Hope it helps you...pls do upvote

.

Similar Solved Questions

1 answer
Tanks to hold a corrosive chemical are now made of material A, have an 8 year...
Tanks to hold a corrosive chemical are now made of material A, have an 8 year life, and an initial cost of $30K. When the tanks are 4 years old, they must be relined at a cost of $10K. If the tanks were made of material B, their life would be 20 years and no relining is necessary If the minimum rate...
1 answer
Haas Company manufactures and sells one product. The following information pertains to each of the company’s...
Haas Company manufactures and sells one product. The following information pertains to each of the company’s first three years of operations: Variable costs per unit: Manufacturing: Direct materials $ 21 Direct labor $ 13 Variable manufacturing overhead $ 4 Variable selli...
1 answer
Chapter 5 & 6- Basics of the Audit Understand the different types of procedures (analytics, sampling, year end, interim work)- what they mean, being able to identify examples. (If I give you a pro...
Chapter 5 & 6- Basics of the Audit Understand the different types of procedures (analytics, sampling, year end, interim work)- what they mean, being able to identify examples. (If I give you a procedure can you determine if it is an analytical procedure, work performed at interim, etc.) Understa...
1 answer
Please show all your work, write equations clearly, plug in values properly, and comment on all...
Please show all your work, write equations clearly, plug in values properly, and comment on all steps. Using the population formulas, calculate the mean, variance, and standard deviation for the following grouped data. 2-4 8- 10 13 14-16 5-7 11-13 Round your answers to two decimal places. Mean Vari...
1 answer
What would the separation between two identical objects, one carrying 4 C of positive charge and...
What would the separation between two identical objects, one carrying 4 C of positive charge and the other 4 C of negative charge, have to be if the electrical force on each was precisely 3 N? answer in m...
1 answer
Complete the following chart by reconciling the number of physical units for each department using the...
Complete the following chart by reconciling the number of physical units for each department using the weighted average methoc Units Started Beginning Units In Process 3,000 4,020 Ending Units In Process 2,170 12.030 18,150 Dept. A Dept. B Dept. Dept. D Dept. E Dept. F Units Completed 15,150 11,170 ...
1 answer
The “replisome” is the complex of proteins located at a replication fork. Which of the following...
The “replisome” is the complex of proteins located at a replication fork. Which of the following is NOT required in a replisome in E. coli? Primase. DNA ligase. Pol I. DNA gyrase. DnaA....
1 answer
Analyzing Transactions Using the Financial Statement Effects Template Following are selected transactions of Mogg Company. Record...
Analyzing Transactions Using the Financial Statement Effects Template Following are selected transactions of Mogg Company. Record the effects of each using the financial statement effects template. 1. Shareholders contribute $10,000 cash to the business in exchange for common stock 2. Employees earn...
1 answer
Sketch position-versus-time graphs (x versus t or y versus t) for the following motions. Include appropriate...
Sketch position-versus-time graphs (x versus t or y versus t) for the following motions. Include appropriate numerical scales along both axes. A small amount of computation may be necessary. 1. A parachutist opens her parachute at an altitude of 1500 m. She then descends slowly to earth at a steady ...
1 answer
Characteristics of Production Process, Cost Measurement Vince Melders, of EcoScape Company, designs and installs custom lawn...
Characteristics of Production Process, Cost Measurement Vince Melders, of EcoScape Company, designs and installs custom lawn and garden irrigation systems for homes and businesses throughout the state. Each job is different, requiring different materials and labor for installing the systems. EcoScap...
1 answer
As shown in the figure, a charge +2e is at the origin and an unknown charge...
As shown in the figure, a charge +2e is at the origin and an unknown charge Q is at x = +4.0 nm. If the net electric force on a small positive test charge is zero at x = -1 nm, what is the magnitude and sign of the unknown charge? test charge charge 9 +2e unknown charge Q X=-1 nm x=0 X=+4 nm 0-50e O...
1 answer
#5 Need this solved along with the R code asap. Thank you very much in advance...
#5 Need this solved along with the R code asap. Thank you very much in advance for the work. Right click and Open image in a new tab if it is too small to see. we wish to compare the expected values, μ× andWy of two independent normal populations, say X and Y, with known standard deviation...
1 answer
Preston Industries has two separate divisions. Each division is in a separate line of business. Division...
Preston Industries has two separate divisions. Each division is in a separate line of business. Division A is the largest division and represents 70 percent of the firm's overall sales. Division A is also the riskier of the two divisions. Division B is the smaller and Icast risky of the two. Whe...
1 answer
Two forces are app石ed to a car in an effort to move it, as shown in...
Two forces are app石ed to a car in an effort to move it, as shown in the figure below. (Let F1-415 N and F2-375 N. Assume up and to the right are in the positive directions.) l0° (a) What is the resultant vector of these two forces? magnitude 742.5 direction 814 Your response differs from ...
1 answer
A line segment has endpoints at #(4 ,9 )# and #(5 ,2)#. If the line segment is rotated about the origin by #pi #, translated vertically by #-4 #, and reflected about the x-axis, what will the line segment's new endpoints be?
A line segment has endpoints at #(4 ,9 )# and #(5 ,2)#. If the line segment is rotated about the origin by #pi #, translated vertically by #-4 #, and reflected about the x-axis, what will the line segment's new endpoints be?...
1 answer
7. At 60oC, NaNO3 has a solubility of 110 grams NaNO3 per 100 grams of water....
7. At 60oC, NaNO3 has a solubility of 110 grams NaNO3 per 100 grams of water. How many grams of NaNO3 are needed to prepare a saturated solution using 50. grams of water? 9. To what volume would you dilute 250.0 mL of a 0.4500 M NaOH solution to obtain a 0.2700 M solution? 10. How many grams of NaNO...