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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Do the solubility rules in your table agree with those given in the Ebbing and Gammon textbook? Note Similarities and differences .

Transcribed Image Text:The image displays a table from a chemistry lab report, detailing reactions between various unknown cations and anions with different reagents. Here's a transcription suitable for an educational website:
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### Chemistry Lab Report: Reaction of Unknown Ions with Reagents
#### Table Interpretation
**Columns:**
1. Unknown Cation
2. Unknown Anion
3-13. Reagents Tested (from left to right): NH4OH, NaOH, FeCl3, CuSO4, BaCl2, HCl, Pb(NO3)2, HNO3, KBr, AgNO3, Na2CO3, NaOH, Na3PO4
**Rows:**
Each row corresponds to a specific unknown cation or anion reacting with the listed reagent.
#### Observations
- **Reactions:** Details on whether a precipitate forms, gas evolution, or no reaction.
- **Color Changes:** Any color changes noted during the reaction.
- **Special Notes:** Occasionally specific notes such as "no reaction", "precipitation", "gas" indicate the result of mixing specific reagents.
#### Detailed Guide
Each cell under the reagent headings documents the interaction with an unknown cation or anion:
- "No" indicates no reaction took place.
- "Ppt" (precipitation) represents the formation of a solid.
- "Gas" describes the evolution of a gaseous product.
- Specific color changes or descriptions like "Red" or "Slight Yellow" provide further insight into the reaction's nature.
#### Example Reactions
- With **NaOH**, a common result is "precipitation", indicating the formation of insoluble hydroxides.
- **HCl** generally shows no reaction with certain unknowns but may form a precipitate with others.
- **AgNO3** often leads to a precipitate when reacted with halide ions.
The document is also annotated with handwritten notes and equations, providing additional context to the observed reactions.
#### Conclusion
This table serves as a reference for identifying how unknown ions react with different reagents, offering insights into their potential identities based on typical reactions observed in a laboratory setting.
---
This transcription helps students and educators understand typical experimental results when testing chemical reactions with unknown substances.
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