Search Colleges, Courses, Exams, Questions and Articles

Ask a query on 8879100846 Ask Login | Sign Up

 

 
› Tags › Importance of Chemistry

Importance of Chemistry

Follow Ask Question
1

Questions

0

Discussions

1

Active Users

0

Followers

New answer posted

3 months ago

Importance of Chemistry Class 11th

The number of N atoms in 681 g of C7H5N3O6 is x * 1021. The value of x is___________.

(NA = 6.02 * 1023 mol-1) (Nearest Integer)
0 Follower 3 Views

P
Payal Gupta

Contributor-Level 10

Molar mass of C7H5N3O6 = 12 * 7 + 1 * 5 + 14 * 3 + 16 * 6 = 84 + 42 + 96 = 227 g/mol

Number of moles = 6 8 1 2 2 7  = 3 mol

∴ number of N-atoms

=3*6.02*1023*3=9*6.02*1023

=5418*1021

∴x=5418 

    Get authentic answers from experts, students and alumni that you won't find anywhere else

    Sign Up on Shiksha

    On Shiksha, get access to

    • 65k Colleges
    • 1.2k Exams
    • 682k Reviews
    • 1800k Answers

    Share Your College Life Experience

    Write a Review
    Community GuidelinesUser Points System
    QuestionsDiscussionsTags

    ×
    ×

    This website uses Cookies and related technologies for the site to function correctly and securely, improve & personalise your browsing experience, analyse traffic, and support our marketing efforts and serve the Core Purpose. By continuing to browse the site, you agree to Privacy Policy and Cookie Policy.