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August 4, 2015

Homework Help: chemistry

Posted by may on Sunday, February 10, 2013 at 9:02pm.

Silicon carbide is one of the hardest materials known. It is often known commercially as carborundum. Silicon carbide is used primarily as an abrasive for sandpaper and is manufactured by heating common sand (silicon dioxide, SiO2) with carbon.
- What mass of SiC should result when 1.00x10^3 g of sand is heated with excess carbon?
- What mass of C (in grams) was used to produce the mass of SiC you found above?
PLEAAASEEEE HELP!!!!

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