the final mass of iron bar and rust are needed to be determined when the 664g of iron bar undergoes rusting in the given process. Concept introduction: Mole ratios between the reactants of a reaction are depends upon the coefficients of respective reactant in a balanced chemical equation. Equation for Number of moles of a substance, from its given mass is, Number of moles = Given mass Molecular mass Number of grams of a substance from its number of moles is, Number of moles × Molecular mass in grams = Number of grams

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Chapter 8, Problem 8.73QP

Interpretation Introduction

Interpretation: the final mass of iron bar and rust are needed to be determined when the 664g of iron bar undergoes rusting in the given process.

Concept introduction:

Mole ratios between the reactants of a reaction are depends upon the coefficients of respective reactant in a balanced chemical equation.

Equation for Number of moles of a substance, from its given mass is,

Number of moles = Given massMolecular mass

Number of grams of a substance from its number of moles is,

Number of moles × Molecular mass in grams = Number of grams

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