http://www.the-jmcc.org/grams-pyrite/
Determine the number of sulfur in 18.0 grams of pyrite (FeS_2).Show set-up to determine answer.?
please give the answer too
1. find the no. of moles of FeS2 by dividing by the molar mass.
2. note that no. of moles of S = twice the no. of moles of FeS2 from the ratio
3. multiply by avogradro's no. to get the no. of S atoms
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