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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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OldSpice OldSpice
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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
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7 years ago
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.silent.boss

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#2
7 years ago
Perfect!

..Thank you so much for your support
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#3
7 years ago
My pleasure
.silent.boss
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#4
2 years ago
Gracias senior!
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#5
2 years ago
Thank you
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#6
Educator
5 days ago
In case you're asking for Silicon, here's how it's done :-)
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