Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
kj2007qd kj2007qd
wrote...
Go to Answer
Posts: 104
Rep: 0 0
2 years ago
Iron in the form FeCl2 can be determined by titration with potassium dichromate:

6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) → 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l)

An iron sample of mass 0.800 g required 18.80 mL of 0.0120 M K2Cr2O7(aq) to reach the end point. How many moles of FeCl2 were in the sample?

▸ 1.43 × 10-2 mol

▸ 1.35 × 10-3 mol

▸ 3.75 × 10-5 mol

▸ 2.26 × 10-4 mol

▸ 1.13 × 10-4 mol
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
Read 570 times
1 Reply
Replies
Answer verified by a subject expert
kaytee23kaytee23
wrote...
#1
Posts: 70
Rep: 2 0
2 years ago Edited: 2 years ago, bio_man
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

kj2007qd Author
wrote...

2 years ago
Good timing, thanks!
kobbhy
wrote...

Yesterday
Smart ... Thanks!
shelbycox
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1168 People Browsing
 124 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 25
  
 283
  
 328
Your Opinion
Where do you get your textbooks?
Votes: 372
Previous poll results: Do you trust social media networks with protecting your privacy?