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OldSpice OldSpice
wrote...
Posts: 6434
7 years ago
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18 (818.43 g/mol). What is the percentage of aluminum in the mineral?
A) 3.30%
B) 3.37%
C) 6.59%
D) 35.2%
E) 54.9%
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ElectricElectric
wrote...
Top Poster
Posts: 6430
7 years ago
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.silent.boss

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wrote...
7 years ago
Perfect!

..Thank you so much for your support
wrote...
7 years ago
My pleasure
.silent.boss
wrote...
2 years ago
Gracias senior!
wrote...
2 years ago
Thank you
wrote...
Educator
5 days ago
In case you're asking for Silicon, here's how it's done :-)
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