Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Aug 05, 2022

c) A 0.7188 g of sample iron ore is dissolved in a solution. All iron is oxidized to Fe+. The solution is filtered to

$A ( 0.7188 mathrm{~g} ) of sample iron ore is dissolved in a solution. All iron is oxidized to ( mathrm{Fe}^{3+} ). The$

c) A 0.7188 g of sample iron ore is dissolved in a solution. All iron is oxidized to Fe+. The solution is filtered to remove solid matrix materials. The iron precipitate as Fe(OH)3XHO gel. The weighed solid precipitate of FeO3 is collected and mass is 0.5634 g. Find the percentage by weight of iron in the sample. (5 marks)

Step by Step Solution

★★★★★

3.39 Rating (155 Votes )

There are 3 Steps involved in it

Step: 1

1 mole of Fe2O3 gives 2 moles of Fe Therefore 15969 g of Fe2O3 gives 25585 g 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

Statistics

Authors: James T. McClave

13th Edition

978-0134080611, 134080610, 134080211, 978-0134080215

More Books

Students also viewed these Chemistry questions

Question

★★★★★

Kenya has experienced a substantial increase in mergers and acquisition activity during the period in the recent past. The Deal Drivers Africa Report, published by Merger market, ranked Kenya as...

Answered: 1 week ago

Question

★★★★★

A salamander of the genus Hydro-mantes captures prey by launching its tongue as a projectile: The skeletal part of the tongue is shot forward, unfolding the rest of the tongue, until the outer...

Answered: 1 week ago

Question

★★★★★

Lakes are bodies of water surrounded by land and may include seas. The accompanying table lists the areas and maximum depths of 32 lakes throughout the world. a. Draw a scatter diagram showing area,...

Answered: 1 week ago

Question

★★★★★

A steam generator consists of a bank of stainless steel (k = 15 W/m K) tubes having the core configuration of figure and an inner diameter of 13.8 mm. The tubes are installed in a plenum whose...

Answered: 1 week ago

Question

★★★★★

What are the pros and cons of Mercedes decision to abandon the culture and some of its home country practices?

Answered: 1 week ago

Question

★★★★★

Explain why the lack of an INSTEAD OF trigger disallows updating views in MySQL.

Answered: 1 week ago

Question

★★★★★

Distinguish between a priori and a posteriori knowledge.

Answered: 1 week ago

Question

★★★★★

In a laboratory experiment on friction, a 135-N block resting on a rough horizontal table is pulled by a horizontal wire. The pull gradually increases until the block begins to move and continues to...

Answered: 1 week ago

Question

★★★★★

Subject is basic accounting please show the calculation, you may show excel and calculation. Thank you. Question 2 The bookkeeping system of Johnny is not computerised, and at 31 March 2021 the...

Answered: 1 week ago

Question

★★★★★

1 AT3: Individual Assignment BFA747 Semester 2, 2023 Data Analytics for Accounting Assignment Type: Individual assignment Weighting: 35% Due Date: Written Report is due on the 16th October (Monday:...

Answered: 1 week ago

Question

★★★★★

2. Which ONE of the following would most likely NOT be considered a batch-level activity? Set-up hours Purchase orders Number of inspections Factory security Movements of materials

Answered: 1 week ago

Question

★★★★★

Answer the following questions. You should make references to your resume and the job posting you have used in your Resume/Cover Letter assignment. Hint: Share an example using the STAR Method...

Answered: 1 week ago

Question

★★★★★

Equipment Purchasing Equipment purchasing can be a long and drawn out process. Most large pieces of equipment such as dishmachines or combi ovens must be planned for 5 to 10 years in advance of...

Answered: 1 week ago

Question

★★★★★

EXPLAIN IN ENGLISH AND TAGALOG Creating a Compelling Vision Suppose you are running the computer department at an electronics store. Overall the store has been having a good year: Sales of cell...

Answered: 1 week ago

Question

★★★★★

You are a startup company that runs an Amazon Elastic Compute Cloud (Amazon EC2) instance to host a website. In this activity, develop a recommendation for the appropriate support plan. When you...

Answered: 1 week ago

Question

★★★★★

If a business owner wishes to identify which product sold the most, how would you make this report more useful? AQ2. If you wanted to provide more detail, what other attributes would be useful to add...

Answered: 1 week ago

Question

★★★★★

1/ On February 15, Jewel Company buys 7,300 shares of Marcelo Corp. common stock at $28.56 per share plus a brokerage fee of $410. The stock is classified as available-for-sale securities. This is...

Answered: 1 week ago

Question

★★★★★

Cable Corporation is 60% owned by Anna and 40% owned by Jim, who are unrelated. It has noncash assets, which it sells to an unrelated purchaser for $100,000 in cash and $900,000 in installment...

Answered: 1 week ago

Question

★★★★★

Process Safety Progress (Sept. 2004) reported on an emergency response system for incidents involving toxic chemicals in Taiwan. The system has logged over 250 incidents since being implemented. The...

Answered: 1 week ago

Question

★★★★★

Deep mixing is a ground improvement method developed for soft soils like clay, silt, and peat. Swedish civil engineers investigated the properties of soil improved by deep mixing with lime-cement...

Answered: 1 week ago

Question

★★★★★

Refer to the Journal of Systems Sciences & Systems Engineering (Mar. 2013) study of the reliability of a manufacturing system that involves multiple production lines, Exercise 4.36 (p. 195)....

Answered: 1 week ago

Question

★★★★★

What conflicts can you identify that were motivated by uncertainty? How could you have obtained more information before engaging in the conflict?

Answered: 1 week ago

Question

★★★★★

Add to the paper you started above. Write social exchange theory in the left column, and explain how it helps you to analyze conflicts in the right column.

Answered: 1 week ago

Question

★★★★★

Are there situations in your life where you are more likely to displace your anger or conflict with the other person than to deal with it directly? What characterizes those situations?

Answered: 1 week ago

Previous Question Next Question