Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Nov 28, 2022

10. A 1.00 g sample containing KHC2O4, HC2O4 and impurities required 46.48 ml of 0.0980 M NaOH for titration. A duplicate sample required 48.35

10. A 1.00 g sample containing KHC2O4, HC2O4 and impurities required 46.48 ml of 0.0980 M NaOH for titration. A duplicate sample required 48.35 ml of 0.0220 M KMnO4 for titration in acid solution. Calculate the % of KHC2O4, and HC2O4 in the sample 5C2012 2MnO4 + 16H. 2NaOH + HCO4 2Mn2+10CO + 8HO Na2CO4 + 2HO

Step by Step Solution

★★★★★

3.50 Rating (153 Votes )

There are 3 Steps involved in it

Step: 1

2 KHC04 Total mol of NaOH 1 molecular mass of KHC204 128 g moi molecular mass of 1204 90 g moi moi o... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Fundamentals of Analytical Chemistry

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

9th edition

495558281, 978-0495558286

More Books

Students also viewed these Chemistry questions

Question

★★★★★

A sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution has a density of 1.329 g/cm3. Calculate (a) The mass percentage, (b) The mole fraction, (c) The molality, (d) The molarity...

Answered: 1 week ago

Question

★★★★★

A solution containing 0.100 M glutamic acid (the molecule with no net charge) was titrated to its first equivalence point with 0.0250 M RbOH. (a) Draw the structures of reactants and products. (b)...

Answered: 1 week ago

Question

★★★★★

A 35.2-mL, 1.66 M KMnO4 solution is mixed with 16.7mL of 0.892 M KMnO4 solution. Calculate the concentration of the final solution.

Answered: 1 week ago

Question

★★★★★

Explain the difference between an error of commission and an error of principle.

Answered: 1 week ago

Question

★★★★★

Hoogendoorn and Associates provides consulting services in Amsterdam. In 20X0, net income was 230,000 on revenues of 510,000 and expenses of 280,000 ( stands for euro, the European currency). The...

Answered: 1 week ago

Question

★★★★★

What is a distributed database? What is a DDBMS?

Answered: 1 week ago

Question

★★★★★

An amateur meteorologist uses the following, rather primitive, weather forecasting system. Each day is classified as dry or wet and he then assumes that the following day will be of the same type...

Answered: 1 week ago

Question

★★★★★

On March 31, 2014, Kornet Investments paid $4,480,000 for a tract of land and two buildings on it. The plan was to demolish Building 1 and build a new store (Building 3) in its place. Building 2 was...

Answered: 1 week ago

Question

★★★★★

A company's plan for the issuance of stock or incurrence of debt is commonly called a: master budget. rolling budget. pro-forma budget. capital budget. financial budget

Answered: 1 week ago

Question

★★★★★

The city of Oak Ridge is evaluating three mutually exclusive landscaping plans for refurbishing a public greenway. Benefits to the community have been estimated by a landscaping committee, and the...

Answered: 1 week ago

Question

★★★★★

The four years for stock we shown her What is the rage annual retum? b. What is that the stock's rolur? What is the standard deviation of the stock's rea? Note No on that the average retum and...

Answered: 1 week ago

Question

★★★★★

Barilla Case: Which of the following contributed significantly to the weekly order fluctuation Barilla was experiencing? (Choose all that apply) Group of answer choices Lack of trust (history of...

Answered: 1 week ago

Question

★★★★★

7- Figure P6-28 shows a quick-return mechanism with dimensions. Calculate the velocities of points A, B, and C and the velocity of slip for the position shown. 2 = 10 rad/s CCW. L2-1.00 in L4 4.76...

Answered: 1 week ago

Question

★★★★★

Slugworth Candies, LLC, candy-making company that employs around 390 people. The company is composed of seven departments: Executive Staff (40), Human Relations (5), Finance and Accounting (10),...

Answered: 1 week ago

Question

★★★★★

A. Consider the case of a single mother with two children, who is trying to decide how many hours to work each month. Suppose, due to constraints such as child care, she is limited to working a...

Answered: 1 week ago

Question

★★★★★

HW Assignment #10 Fiscal Policy Calculate and graph what happens to G, AD, GDP, and Prices if the government increases government spending by 100 billion and the MPC : .80. Calculate and graph what...

Answered: 1 week ago

Question

★★★★★

2 (25 marks) You have been appointed as a financial consultant by the directors of Baron Holdings. They require you to determine the cost of capital of the company. The following information is...

Answered: 1 week ago

Question

★★★★★

Suppose that the electrical potential at the point (x, y, z) is E(x, y, z) = x + y - 2z. What is the direction of the acceleration at the point (1,3,2)?

Answered: 1 week ago

Question

★★★★★

Estimate the absolute deviation and the coefficient of variation for the results of the following calculations. Round each result so that it contains only significant digits the numbers in...

Answered: 1 week ago

Question

★★★★★

What is the pH of the buffer formed by adding 100 mL of 0.150 M potassium hydrogen phthalate to (a) 100.0 mL of 0.0800 M NaOH? (b) 100.0 mL of 0.0800 M HCl?

Answered: 1 week ago

Question

★★★★★

Calculate the molar solubility of ZnCO3 in a solution buffered to a pH of 7.00.

Answered: 1 week ago

Question

★★★★★

During a one-day special, a grocery store sells cucumbers at 98 cents each or four for the price of three. At the end of the day, the stores computer reports that revenue from the sale of 541...

Answered: 1 week ago

Question

★★★★★

Perform the indicated multiplication and division, and combine the like terms. a. 6(4y-3) (2-3y)-3(5-y) (1+4y)

Answered: 1 week ago

Question

★★★★★

Evaluate the following expressions for the given values of the variables. The answer should be accurate to the cent. a. L (1-d1) (1-d2) (1-d3) for L = $340, d1 = 0.15, d2 = 0.08, d3 = 0.05 b.

Answered: 1 week ago

Previous Question Next Question