Stoichiometry Review

Stoichiometry Review - Conver sions STP: Andrew Rosen 1cm 3...

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t there’s only 6. No matter how much I complain, I am only going to have 6 cookies. The limiting reactant is the 6 cookies Limiting Reactant Excess Conversions 1cm 3 = 1mL 1L = 1dm 3 512cm 3 = .512 dm 3 0°C = 273K STP: 101.3 KPa 760 torr 760 mmHg 1 atm R= Ideal Gas Constant Don’t round this value Moles = . Mass GivenMolec Mass Andrew Rosen Stoichiometry Mass to Mass Relationship How many grams of Iron (III) oxide formed when 27.0g Fe reacts with O 2 4 Fe + 3 O 2 2 Fe 2 O 3 27.0g Fe . . 1 mol Fe55 85g Fe2 mol Fe2O34 mol Fe159 70g Fe2O31 mol Fe2O3 = 38.6g Fe 2 O 3 Mass and Volume (at STP) Relationships How many liters of O 2 produced from 45.0g KClO 3 2 KClO 3 2 KCl + 3 O 2 45.0g KClO 3 . 1 mol KClO3122 55g KClO33 mol O22 mol KClO3 . 22 4 L O21 mol O2 = 12.3L O 2 How many grams of Zn must react with excess HCl to produce 11.2 L of Hydrogen at STP 2 HCl + 1 Zn 1 H 2 + 1 ZnCl 2 11.2L H 2 . 1 mol H222 4L H21 mol Zn1 mol H2 . 65 30g Zn1 mol Zn = 32.7g Zn Volume to Volume (at STP) Relationship
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Stoichiometry Review - Conver sions STP: Andrew Rosen 1cm 3...

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