Explanation Recommended amount of iron for Adult men; The recommended daily intake of iron for adult men is 8 mg. Molar mass of iron ( Fe ) , M .W = 55 .847g/mol Let’s convert the mass of recommended iron in mg to g. The conversion factor is 1000 mg 1 .0 g or 1 .0 g 1000mg Using this conversion factor will be converted the amount of iron in mg to g. Therefore, 8mg=8mg × 1 .0 g 1000mg = 8 × 10 − 3 g The recommended daily intake of iron for men is 8 mg. Convert into grams and then calculated moles using molar mass of Fe . The conversion factor is: ( 1g 10 3 mg ) The conversion factor for molar mass is: ( 1mole Fe 55 .845 g ) moles of Iron = 8mg × ( 1g 10 3 mg ) × ( 1mole Fe 55 .845 g ) = 1

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Question

Chapter 6.5, Problem 6.3CIAP

Interpretation Introduction

Interpretation:

The masses of iron should be converted into mole for the given intake of Iron Value.

Concept Introduction:

Gram-Mole Conversions

•A mole is defined as one gram formula or molecular weight of the compound. A mole is also defined as Avogadro’s number of formula units.

•It’s convenient to memorize and understand that the number of moles of a substance is equal to the number of grams divided by the gram formula weight.

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Chapter 6.5, Problem 6.2CIAP

Chapter 6, Problem 6.15UKC

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Solution Summary: The author explains that the masses of iron should be converted into moles for the given intake of Iron Value.

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