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OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
A ruby contains 52.7% aluminum, 47.1% oxygen, and traces of chromium. If the ruby contains 0.125 g of aluminum, what is the mass of the gemstone?
A) 0.0659 g
B) 0.125 g
C) 0.237 g
D) 0.265 g
E) 0.625 g
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6 Replies
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Answer accepted by topic starter
ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago Edited: A year ago, bio_man
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.silent.boss

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OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
wrote...
3 years ago
awesome
Anonymous
wrote...
A year ago
A sapphire gemstone contains 52.7% aluminum, 47.1% oxygen, and traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?
wrote...
Educator
A year ago
A sapphire gemstone contains 52.7% aluminum, 47.1% oxygen, and traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?

47.1% of oxygen=>mass of oxygen/Total mass of gem stone=0.471

0.155/M=0.471
M=0.3291gm(mass of gemstone)
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