L6 Stoichiometry Notes.pdf - 1 Lecture 6 Stoichiometry 1 Moles reflect Atomic View Stoichiometry H2O • Basic Stoichiometric Calculations Moles A �

# L6 Stoichiometry Notes.pdf - 1 Lecture 6 Stoichiometry 1...

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1 Lecture 6 Stoichiometry 1 Stoichiometry Basic Stoichiometric Calculations » Moles to Moles » Mass to Mass » Limiting Reactant » % Yield Concentration & Dilution Calculations Solution Stoichiometry 2 Stoichiometry Moles reflect Atomic View H 2 O 1 mol O Moles A Moles B Subscript ratios (Elements in compound) 2 mol H 1 mol O ( ) = x 3 mol O 2 mol H 1 mol O ( ) = x 0.243 mol O 2 mol H 1 mol O ( ) = x 2 mol H 6 mol H 0.486 mol H 3 Stoichiometry Moles reflect Atomic View CH 4 + 2 O 2 CO 2 + 2 H 2 O Moles A Moles B Coefficient ratios (Substances in Reaction) 3 mol CH 4 6 mol O 2 ( ) = 2 mol O 2 1 mol CH 4 x 0.243 mol CH 4 0.486 mol O 2 ( ) = 2 mol O 2 1 mol CH 4 x 4 Stoichiometry Mass reflects Macro View C 3 H 8 + 5 O 2 3 CO 2 + 4 H 2 O Moles A Moles B Coeff Ratios 5.00 g C 3 H 8 = 15.0 g CO 2 ( ) 3 mol CO 2 1 mol C 3 H 8 Molar Mass A Mass A Mass B Molar Mass B ( ) 1 mol C 3 H 8 44.10 g C 3 H 8 ( ) 44.01 g CO 2 1 mol CO 2