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Would the calculated percentage of the hydrate in a sample be too high, too low, or unaffected by the following? 1. Your sample was still a crystalline solid after heating instead of a powder. Too high O Too low Unaffected 2. The sample was allowed to cool on the bench top instead of in the desiccator. O Too high Too low Unaffected 3. The balance used to perform all measurements consistently reports measurements 0.2g too low. O Unaffected O Too high Too low

Would the calculated percentage of the hydrate in a sample be too high, too low, or unaffected by the following? 1. Your sample was still a crystalline solid after heating instead of a powder. Too high O Too low Unaffected 2. The sample was allowed to cool on the bench top instead of in the desiccator. O Too high Too low Unaffected 3. The balance used to perform all measurements consistently reports measurements 0.2g too low. O Unaffected O Too high Too low

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Title: Effects on Calculated Hydrate Percentage in Samples** **Question: Would the calculated percentage of the hydrate in a sample be too high, too low, or unaffected by the following?** 1. **Your sample was still a crystalline solid after heating instead of a powder.** - Too high - **Too low** (selected) - Unaffected 2. **The sample was allowed to cool on the bench top instead of in the desiccator.** - **Too high** (selected) - Too low - Unaffected 3. **The balance used to perform all measurements consistently reports measurements 0.2g too low.** - **Unaffected** (selected) - Too high - Too low 4. **Some of your sample spilled during heating, but you continued instead of starting over.** - Unaffected - Too high - **Too low** (selected) **Analysis:** This exercise explores how different laboratory practices can affect the calculated percentage of hydrates. Each scenario asks students to determine if the resulting measurements would be too high, too low, or unaffected by procedural variations like crystallization states, cooling methods, mis-calibrated balances, and accidental sample loss.
Transcribed Image Text:**Title: Effects on Calculated Hydrate Percentage in Samples** **Question: Would the calculated percentage of the hydrate in a sample be too high, too low, or unaffected by the following?** 1. **Your sample was still a crystalline solid after heating instead of a powder.** - Too high - **Too low** (selected) - Unaffected 2. **The sample was allowed to cool on the bench top instead of in the desiccator.** - **Too high** (selected) - Too low - Unaffected 3. **The balance used to perform all measurements consistently reports measurements 0.2g too low.** - **Unaffected** (selected) - Too high - Too low 4. **Some of your sample spilled during heating, but you continued instead of starting over.** - Unaffected - Too high - **Too low** (selected) **Analysis:** This exercise explores how different laboratory practices can affect the calculated percentage of hydrates. Each scenario asks students to determine if the resulting measurements would be too high, too low, or unaffected by procedural variations like crystallization states, cooling methods, mis-calibrated balances, and accidental sample loss.
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