A sapphire contains 52.7% aluminum,47.1% oxygen,and traces of titanium.If the sapphire contains 0.155 g of oxygen,what is the mass of the gemstone?
A) 0.0730 g
B) 0.155 g
C) 0.294 g
D) 0.329 g
E) 0.775 g
Correct Answer:
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