Top Posters
Since Sunday
6
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
jcortese151 jcortese151
wrote...
Go to Answer
Posts: 190
Rep: 0 0
3 years ago
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The original mass of the Cs-131 sample is closest to


▸ 149 g

▸ 37 g

▸ 74 g

▸ 260 g

▸ 89 g
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
Authors:
Read 760 times
4 Replies
Replies
Answer verified by a subject expert
mossandtossmossandtoss
wrote...
#1
Posts: 101
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

wrote...
#2
3 years ago
Similar question:

The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the original mass of the Cs-131 sample in grams?

Answer:
wrote...
#3
2 months ago
Help! The answer is missing an explanation...
Post Merge: 2 months ago
wrote...
#4
2 months ago
Just follow along the solution provided!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  609 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 138
  
 349
  
 312
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486
Previous poll results: Should Ph.D.'s be addressed as doctors?