Project #1054 - chemistry

1) Rust is really iron oxide (Fe3O4). What is the percent iron in rust?

Round off your answer to the ones place Ex: 45%

 

2) A compound used in some explosives is made from 28.22% K, 25.59% Cl, and 46.19% O. What is the empirical formula of the substance?

Do not change font for subscripts, just use H2O instead of H2O.

 

 
 

Subject Science
Due By (Pacific Time) 10/27/2012 05:00 pm
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