SAT II Chemistry: SAT Question of the Day

Monday, 26 March 2007

Consider the following reaction:
a FeS2 + b O2 = c Fe2O3 + d SO2
The ratio a/b is:

(A)0.50
(B)0.36
(C)0.44
(D)0.82
(E)other answer

Anonymous said...: 4FeS2 + 11O2 = 2Fe2O3 + 8SO2

so the answer is 4/11 or B.; 26 March 2007 at 16:04
Anonymous said...: yea, B; 26 March 2007 at 18:01
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