Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. potassium dichromate (k2cr2o7) is a bright orange

Potassium dichromate (K2Cr2O7) is a bright orange salt that can be converted to a blue-violet solution...

80.2K

Verified Solution

Question

Chemistry

Potassium dichromate (K2Cr2O7) is a bright orange salt that canbe converted to a blue-violet solution of Cr3+ ions. Under certainconditions, K2Cr2O7 reacts with ethanol (C2H5OH) to produce carbondioxide gas. The legal definition of intoxication is a bloodalcohol (C2H5OH) level of 0.08% by mass or higher. In a given case,35.48 mL of 0.05182 M K2Cr2O7 was required to titrate a 50.02 gsample of blood. From the tested sample, should the person bearrested for a DUI?

Assume that only the ethanol reacts with the potassiumdichromate.

C2+H5+OH (l) +K2Cr2O7 (aq) ---->CO2 (g) + K++ Cr3+

Answer & Explanation Solved by verified expert
4.4 Ratings (871 Votes)
The balance eqtaion isC2H5OH l 2K2Cr2O7 aq16H 2CO2 g 4K 4Cr3 11H2OGiven Molarity of K2Cr2O7 is 005182 M Volume ofK2Cr2O7 is 3548 mL 3548 x10 3 LNumber of moles of    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

Fenway Athletic Club plans to offer its members preferred stock with a par value of ?$100...

Basic Math
1.2K views

A cylindrical package to be sent by a postal service can have a maximum combined length...

Biology
1.2K views

What cellular features are retained if the plant cell is alive?

Electrical Engineering
1.2K views

MIPS ASSEMBLY : 1) Code in MIPS a function that allows to store the text entered by...

Basic Math
1.2K views

Solve for u.(u+6) =2u +9u+26If there is more than one solution, separate them with commas.

Basic Math
1.2K views

Explain how the angle-angle-side congruence theorem is an extension of the angle-side-angle congruence theorem. Be...

Accounting
1.2K views

Circle True or False 1. In all cases when FIFO is used, the cost of...

Accounting
1.2K views

Windsor Co, reports the following information for 2025 : sales revenue $769,800, cost of goods...

Accounting
1.2K views

Explain the relation between organization structure and responsibilty centers.

Accounting
1.2K views

Vaughn Company classifies its selling and administrative expense budget into variable and fixed components. Variable...

Finance
1.2K views

13) A finance company advertises an investment plan. In this plan, for every $ 1000...

Finance
1.2K views

Wally loves your analysis. He has now asked you to evaluate potential new project investments....