The aluminum in a 0 764 g sample of an unknown material was precipitated as aluminum hydroxide, Al(OH) 3 , which was then converted to Al 2 O 3 by heating strongly If 0 127 g of Al 2 O 3 is obtained from the 0 764 g sample, what is the mass percent of aluminum in the sample ...

To find the mass percent of aluminum in the sample you can follow these steps First find the molar m ...

The aluminum in a 0.764-g sample of an unknown material was precipitated as aluminum hydroxide, Al(OH) 3

Question:

The aluminum in a 0.764-g sample of an unknown material was precipitated as aluminum hydroxide, Al(OH)₃, which was then converted to Al₂O₃ by heating strongly. If 0.127 g of Al₂O₃ is obtained from the 0.764-g sample, what is the mass percent of aluminum in the sample?

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