Stoichiometry PowerPoint
Stoichiometry PowerPoint
Stoichiometry PowerPoint
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Mass Ratios<br />
• Determining mass ratios without pictures is<br />
a simple matter of converting moles to<br />
grams.<br />
• From the 4 Al + 3 O 2 2 Al 2 O 3 example,<br />
the math looks like this:<br />
• 4 mol Al x (27.0g/mol) = 108g Al<br />
• 3 mol O 2 x (32g/mol) = 96g O 2<br />
• 2 mol Al 2 O 3 x (102g/mol) = 204g Al 2 O 3
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