Explanation The molar mass of titanium is 47.90 g/mol. Thus, the mass of titanium containing 2.55 × 10 24 a t o m s is calculated as: 1 m o l T i = 47.90 g 1 m o l T i = 6.022 × 10 23 T i a t o m s T h u s , 6.022 × 10 23 T i a t o m s = 47.90 g ⇒ 2.55 × 10 24 T i a t o m s = 47.90 g × 2.55 × 10 24 T i a t o m s 6.022 × 10 23 T i a t o m s = 202

Chemistry: A Molecular Approach, Books a la Carte Edition; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Chemistry: A Molecular Approach, 4/e

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Chapter 2, Problem 115E

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Interpretation: The edge length of a titanium cube containing 2.55 × 1024 atoms is to be calculated in cm.

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Chapter 2, Problem 114E

Chapter 2, Problem 116E

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Chapter 2 Solutions

Chemistry: A Molecular Approach, Books a la Carte Edition; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Chemistry: A Molecular Approach, 4/e

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The edge length of a titanium cube containing 2.55 × 10 24 a t o m s is to be calculated in cm.

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Interpretation: The edge length of a titanium cube containing 2.55 × 1024 atoms is to be calculated in cm.

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Chapter 2 Solutions