Stoichiometry PowerPoint
Stoichiometry PowerPoint
Stoichiometry PowerPoint
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Examples<br />
• If we start with 50.0grams of methane, how<br />
many grams of oxygen will be required? These<br />
problems are as easy as 1, 2, 3.<br />
• 1. Convert grams methane to moles.<br />
• 50.0g x (1 mol CH 4 /16.0g) = 3.12 mol CH 4<br />
• 2. Convert mol of methane to mol of oxygen.<br />
• 3.12 mol CH 4 x (2 mol O 2 /1 mol CH 4 ) = 6.24 mol O 2<br />
• 3. Convert mol O 2 to grams.<br />
• 6.24 mol O 2 x (32.0g O 2 /mol) = 200. g O 2
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