Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. how to solve: a solution of k2cr2o7 is standardize

How to solve: A solution of K2Cr2O7 is standardized against Fe(NH4)2(SO4)2 6H20. Exactly 0.625g of the...

90.2K

Verified Solution

Question

Chemistry

How to solve: A solution of K2Cr2O7 is standardized againstFe(NH4)2(SO4)2 6H20. Exactly 0.625g of the iron salt are equivalentto 22.5 mL of the dichromate solution. A sample of unknown iron(II) is then titrated with the dichromate. Exactly 25.0 mL of theiron are equivalent to 18 mL of the K2Cr2O7 solution. Calculate thenumber of millimoles of iron per mL of unknown solution. The answeris 2.98 mg/mL

Answer & Explanation Solved by verified expert
3.6 Ratings (413 Votes)
6 FeNH42SO42 7H2SO4 K2Cr2O7 3Fe2SO43 Cr2SO43 6NH42SO4 K2SO4 7H2O Mohrs salt FeNH42SO42 6H20molar mass39213gmol Moles of the saltmassmolar mass0625g39213gmol000159 moles Given    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Finance
1.2K views

You have been hired as a project management consultant to assist the Acme Company in evaluating...

Biology
1.2K views

What are the categories of organic mole lipids nucleic acids proteins carbohydrates sulfur carbon water

Physics
1.2K views

3 0 02 cm 4 0 cm Two point white dots are 1 mm apart...

Algebra
1.2K views

Given the graph of y f x illustrated below sketch the graph of g x...

Algebra
1.2K views

Jonna is selling t shirts for the cross country meet The long sleeve t shirts...

Algebra
1.2K views

Evaluate the following expression 4 2 14 2 13 2 4 2 14 2 13...

Accounting
1.2K views

Gurrent Attempt in Progress Vaughn Inc. issued $4,380,000 par value, 7% convertible bonds at...

Accounting
1.2K views

Use T-accounts to record the transactions below, which occur on March 12, 2023, close the...

Accounting
1.2K views

Kala and Leah, partners in Best Designs, have capital balances of $40,000 and $60,000, respectively....

Accounting
1.2K views

Metlock, Inc. had net credit sales of $13010000 and cost of goods sold of $10056000...

Accounting
1.2K views

The total of the figures on the left side of a Cash account is $32,800....

Finance
1.2K views

a. Identify all the risks and discuss what contingencies will you have in place in...