I'm confused in Chemistry??? - Freemason Hirams Travels Masonic Forums

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03-09-2008, 08:53 PM

imaginegodkane

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I'm confused in Chemistry???

Urea, a compound in fertilizer, has the chmichal formula CO(NH2)2. What is the percentage composition of this compound?

Also....

Which compound has the greater percentage of zinc? Smithsonite, ZnCO3 or Sphalerit, ZnS

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