Explanation The given chemical reaction is as follows: Fe 2 + (aq)+Ce 4+ (aq) → Fe 3+ (aq)+Ce 3+ (aq) The volume of the Ce 4 + is given to be 54.91 mL. The molarity of the Ce 4 +is given to be 0.1018 M or 0.1018 moles/L. The number of moles of Ce 4 + solution can be calculated as follows: Molarity= Number of moles Volume (L) 0 .1018 M= Number of moles 0 .05491 L Number of moles=0 .1018 mol/L×0 .05491 L =0 .0055 mol The number of moles of Ce 4 +which reacts with the given sampleof iron is found to be 0.0055 mole. According to the balanced chemical equation, 1 mole Ce 4 + of reacts with 1 mole of Fe 2+ . Therefore, 0.0055 moles of Ce 4 +ions react with 0

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

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Chapter 4, Problem 4.136MP

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Interpretation:

The mass percent of iron in the given titration is to be determined.

Concept introduction:

The term molarity or concentration can be defined as the number of moles of the solute dissolved in 1 liter of the solution. The mathematical formula is given by:

Molarity=Number of molesVolume (L)

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Chapter 4, Problem 4.135MP

Chapter 4, Problem 4.137MP

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The mass percent of iron in the given titration is to be determined. Concept introduction: The term molarity or concentration can be defined as the number of moles of the solute dissolved in 1 liter of the solution. The mathematical formula is given by: Molarity= Number of moles Volume (L)

Solution Summary: The author explains that the mass percent of iron in the given titration is to be determined. The molarity or concentration can be defined as the number of moles of the solute dissolved in 1 liter of

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Chapter 4 Solutions