If a solution is prepared by dissolving 1.505 g Na 2 CrO 4 in 345 mL of
Question:
If a solution is prepared by dissolving 1.505 g Na2CrO4 in 345 mL of a buffer solution with pH = 7.55, what will be [CrO42–] and [Cr2O72–]?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (3 reviews)
1 Calculate the concentration of CrO42 and Cr2O72 Convert Na2CrO4 mass to moles Molar mass of Na2CrO...View the full answer
Answered By
Ashutosh Mishra
I have total 6+years of tutoring experience (online and offline) on various programing languages or technology C#, VB, Java, .Net, Javascript, HTML, CSS , WPF, Winforms, C, C++.
• Proficient in coding and developing the new program, involved in various phases project development: - Requirement gathering, Project Analysis, visual designing, coding, debugging, performance tuning and documentation to core development using TDD.
• Expertise in OOPs and Design Patterns with Object oriented Principles.
• Good exposure to Asynchronous Programming.
• Good Experience in MVC & MVVM, Prism frameworks.
• Expertise in ORM using Entity Framework.
• Good command over SQL Server & Oracle. Experience in Database Design, Writing T?SQL/CLR Queries, Stored Procedures, Functions, Maintenance, Profiling.
• An excellent problem solver, able to quickly grasp complexities and identify opportunities for improvements and resolution of critical issues.
0.00
0 Reviews
10+ Question Solved
Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
Question Posted:
Students also viewed these Sciences questions
-
A buffer solution is prepared by dissolving 1.50 g each of benzoic acid, C 6 H 5 CO 2 H, and sodium benzoate, NaC 6 H 5 CO 2 , in 150.0 mL of solution. (a) What is the pH of this buffer solution? (b)...
-
A solution is prepared by dissolving table salt, sodium chloride, in water at room temperature. a. Assuming there is no significant change in the volume of water during the preparation of the...
-
E account and 1 balance sheet account, but never changes the fixed asset account. statement 3. The Ledger of the Day Company includes the following accounts. Briefly explain why each account may...
-
The price of a stock is $55. A put option written on this stock with a strike price of $48.8 is quoted at $7.2. One option contracts covers 100 underlying shares. A trader enters a short position in...
-
Consider the following three independent scenarios: 1. For each of the three scenarios, answer the following questions: a. Is the asset impaired? b. At what amount (net of accumulated depreciation)...
-
Identify potential fraud risk factors in the revenue cycle. What substantive audit procedures could be used to help determine if fraud has occurred in the revenue cycle?
-
A university pumps its water from wells located on campus. The falling water table has caused pumping costs to increase, the quantity of water available to decrease, and the quality of water to...
-
At the end of October, the payroll register for Noir Tool Corporation contained the following totals: wages, $371,000; federal income taxes withheld, $94,884; state income taxes withheld, $15,636;...
-
In some labor markets, the supply of labor is as follows (where W represents wages and L represents the number of employees): W = 113 + 0.21L However, the demand for labor is: W = 958 -0.28L a) At...
-
How many grams of chromium would be deposited on an object in a chrome-plating bath after 1.00 h at a current of 3.4 A?
-
Use equation (23.19) to determine [Cr 2 O 7 2 ] in a solution that has [CrO 2 ] = 0.20 M and pH of (a) 7.12 (b) 9.15. Eq. 23.19 Kc = [Cr0] [CrO4-][H+] = 3.2 x 1014 (23.19)
-
(a) How many electrons can occupy the 3d subshell? (b) How many electrons can occupy the n = 2 shell?
-
Now suppose a firm has the following information: $7 million in sales, $4 million of costs of goods sold excluding depreciation and amortization, and $500,000 of other operating expenses. What is its...
-
A firm has the following information: $2 million in earnings before taxes. The firm has an interest expense of $300,000 and depreciation of $200,000; it has no amortization. What is its EBITDA? ($2.5...
-
A firm has $8 million in total assets. It has $3 million in current liabilities, $2 million in long-term debt, and $1 million in preferred stock. What is the reported net worth of shareholders (i.e.,...
-
Betty Hines plans to borrow $5,000 and to repay it in 36 monthly installments. This loan is being made at an annual add-on interest rate of 9.5%. a. Calculate the finance charge on this loan,...
-
Because of a job change, Fred Presley has just relocated to the Pacific Northwest. He sold his furniture before he moved, so hes now shopping for new furnishings. At a local furniture store hes found...
-
What is the purpose of the exemption deduction?
-
Fill in each blank so that the resulting statement is true. 83 + 103 = ______ .
-
Identify the account(s) debited and credited in each of the four closing entries, assuming the company has net income for the year.
-
Some companies employ technologies that allow them to do a so-called virtual close. This enables them to close their books nearly instantaneously any time during the year. What advantages does a...
-
Describe the nature of the Income Summary account, and identify the types of summary data that may be posted to this account.
-
In the picture below you can see a bracket mounted by a bolt to the chassis. The bottom of the bracket has the same thickness t as the chassis. The force F acting on the bracket is parallel to the...
-
The region 05:5 L between the planes z 0 and L is filled with incompressible fluid. The plane =0 is held at rest and the plane z = L moves with constant velocity Uj in the positive y-direction. Let...
-
4. (15 points) A gas turbine aircraft engine has blades made out of S-590 alloy. The most critical row of blades has stress (bending + axial) and temperature T that vary with location according to...
Study smarter with the SolutionInn App