Top Posters
Since Sunday
1
1
l
1
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
Guest Guest
wrote...
Go to Answer
3 years ago
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.478 M HNO2 (Ka for HNO2 = 4.0 × 10–4). What is the equilibrium concentration of NO2– ions?


▸ 2.5 × 10–3M

▸ 1.7 × 10–4M

▸ 4.2 × 10–1M

▸ 5.0 × 10–2M

▸ None of these are correct.
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
Authors:
Read 140 times
1 Reply
Replies
Answer verified by a subject expert
KKRulesKKRules
wrote...
#1
Posts: 75
Rep: 1 0
3 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

lierac00
wrote...

3 years ago
This site is awesome
kaytee23
wrote...

Yesterday
Thank you, thank you, thank you!
missnoname
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  935 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 250
  
 376
  
 1673