100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Solution Question and Answers $4.39   Add to cart
Quickly navigate to
Preview
  2.  
  3. Chemistry

Exam (elaborations)

Solution Question and Answers
 3 views  0 purchase
  • Course
  • Chemistry
  • Institution

*Comprehensive Chemistry Notes for Sale!* Unlock the molecular secrets with these detailed and organized chemistry notes! *Key Features:* - Clear explanations: Easy-to-understand concepts and reactions - Concise summaries: Key points and equations for quick revision - Practice problems: ...

[Show more]

Preview 1 out of 4  pages

Document information

  • October 23, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Only questions

Subjects

  • solutions

Written for

  • Secondary school
  • Chemistry
  • 5
All documents for this subject (2330)

Seller

avatar-seller
darksecret

Content preview

CHEMISTRY

CLASS 12th

SOLUTION

SCHOLAR CLASSES

By- Bharat Sir

LONG QUESTIONS

1. Find the molality and molarity of a 15% solution of
when its density is 1.10 & molar mass = 98 amu.
2. Calculate the mole fraction of ethanol and water in a sample
of rectified spirit which contains 46% ethanol by
mass?
3. Calculate the % composition in terms of mass of a solution
obtained by mixing 300g of a 25% & 400 g of a 40% solution
by mass?
4. One litre of sea water weight 1030g and contains
about of dissolved . Calculate the concentration of
dissolved oxygen in ppm?
5. The density of 85% phosphoric acid is . What is the
volume of a solution that contains 17g of phosphoric acid?
6. Define the term azeotrope?
7. Obtain a relationship between relative lowering of vapour
pressure and mole fraction of solute?
8. Draw the graphs of both deviations from ideal behaviours?
9. A weak electrolyte AB in 5% dissociated in aqueous
solution? What is the freezing point of a 0.10 molar aqueous
solution of AB? Kf = 1.86 deg/molal?
10. Henry's law constant for the molality of methane in
benzene at 298 K is . Calculate the solubility of
methane in benzene at 298 K under 760 mm Hg.
11. Nalorphene , similar to morphine, is used to
combat withdrawal symptoms in narcotic users. Dose of

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller darksecret. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $4.39. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$4.39
  • (0)
  Add to cart