Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:### Experiment: Precipitation Reaction
**Objective:** Determine the precipitate formed when mixing solutions of barium nitrate and ammonium sulfamate.
**Materials:**
- Barium nitrate, Ba(NO₃)₂
- Ammonium sulfamate, NH₂SO₃H
**Procedure:**
1. A solution containing 1.4 g of Ba(NO₃)₂ and 2.4 g of NH₂SO₃H is boiled.
2. Observe the formation of a precipitate.
**Analysis:**
- The precipitate may be one of the following compounds:
- Ba(NH₂SO₃)₂
- BaSO₄
- Ba(NH₂)₂
**Calculation:**
a. **Calculate the number of moles of each reactant:**
- Use the molar masses of Ba(NO₃)₂ and NH₂SO₃H to convert grams to moles.
*Note: Detailed equations and molar mass calculations can be referenced from general chemistry resources.*
**Conclusion:**
Determining the identity of the precipitate through balanced equations helps understand reaction outcomes.
---
This guide should assist in conducting the experiment and understanding the reactions involved.
Transcribed Image Text:### Experiment Instructions
**b.** Determine the limiting reactant in each of the following three reactions. The limiting reactant that you determine here will be used directly in this experiment.
- **Reaction producing Ba(NH<sub>2</sub>SO<sub>3</sub>)<sub>2</sub>:**
- **Reaction producing BaSO<sub>4</sub>:**
- **Reaction producing Ba(NH<sub>2</sub>)<sub>2</sub>:**
**c.** What conclusion can you reach about the limiting reactant in this experiment?
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