1. Four moles of iron (II) sulfide added to seven moles of oxygen, produced two moles of iron (III) oxide and four moles of sulfur dioxide. (a) Translate the problem to chemical equation. b) How many grams of oxygen will react with 2.0 grams of iron (II) sulfide?

Chemistry for Engineering Students
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Chapter3: Molecules, Moles, And Chemical Equations
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Problem 3.75PAE: 3.75 The following pictures show a molecular-scale view of a chemical reaction between the compounds...
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1. Four moles of iron (II) sulfide added to seven moles of oxygen, produced two moles of iron (III) oxide and four moles of sulfur dioxide.

(a) Translate the problem to chemical equation.

b) How many grams of oxygen will react with 2.0 grams of iron (II) sulfide?

 

2. Rusting involves the reaction of iron, Fe with oxygen, O2 to form iron (III) oxide, Fe2O3.

a) Write the balanced chemical equation

b) What are the mole ratios of the product to each reactant and of the reactants to each other?

c) How many grams of iron (III) oxide can be formed from 14.5 g iron?

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