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
New Topic  
OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18 (818.43 g/mol). What is the percentage of beryllium in the mineral?
A) 1.10%
B) 3.30%
C) 6.59%
D) 35.2%
E) 54.9%
Read 538 times
3 Replies
Replies
Answer accepted by topic starter
ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago
Sign in or Sign up in seconds to unlock everything for free
1
.silent.boss

Related Topics

OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1150 People Browsing
Related Images
  
 403
  
 4427
  
 2114
Your Opinion
What's your favorite coffee beverage?
Votes: 274

Previous poll results: Where do you get your textbooks?