Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
OldSpice OldSpice
wrote...
Go to Answer
Posts: 6432
Rep: 33 0
9 years ago
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18 (818.43 g/mol). What is the percentage of silicon in the mineral?
A) 3.30%
B) 3.43%
C) 6.59%
D) 35.2%
E) 54.9%
Read 1167 times
5 Replies
Replies
Answer accepted by topic starter
ElectricElectric
wrote...
#1
Top Poster
Posts: 6431
Rep: 694 0
9 years ago
Sign in or Sign up in seconds to unlock everything for free
caiit567
.silent.boss

Related Topics

OldSpice Author
wrote...
#2
9 years ago
Perfect!

..Thank you so much for your support
wrote...
#3
9 years ago
My pleasure
.silent.boss
wrote...
#4
4 years ago
thanks
wrote...
#5
3 years ago
thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  972 People Browsing
 115 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 330
  
 1472
  
 267
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: Which 'study break' activity do you find most distracting?