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
This topic contains 1 attachment.
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
Think Think
wrote...
Go to Answer
Posts: 2431
Rep: 21 1
9 years ago
A 3.6 mole sample of Co-60 has a half-life of 5.2 years. How many moles of Co is left after 
A) 0.056
B) 0.11
C) 0.23
D) 0
E) none of the above

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
Read 1006 times
1 Reply
Replies
Answer accepted by topic starter
mel!811mel!811
wrote...
#1
Top Poster
Posts: 2794
Rep: 389 0
9 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
 Attached file 
Thumbnail(s):
You must login or register to gain access to this attachment.
1

Related Topics
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1298 People Browsing
 115 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 800
  
 1076
  
 4695