O Given that the molar mass of NaHCO3 is 84.01 g/mol, calculate the number of moles of NaHCO; that reacted in bag 2.

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**Table of Sodium Bicarbonate and Vinegar Reactions**

| **Bag Number** | **Mass of NaHCO₃ (g)** | **Volume of Vinegar (mL)** | **Observations** |
|-----------------|---------------------|------------------------|------------------|
| 1               | 0.700               | 20.0                   | When we mixed it, it started bubbling. This one... |
| 2               | 1.400               | 20.0                   | This one fizzed slightly more than bag number 1. |
| 3               | 4.200               | 60.0                   | When we mixed it, it bubbled a lot, mixed a lot quicker, and... |

### Explanation

This table presents data on the reaction between sodium bicarbonate (NaHCO₃) and vinegar (acetic acid solution) across three different trials. Each bag number corresponds to a specific set of conditions: 

- **Bag 1:** Utilized 0.700 grams of sodium bicarbonate and 20.0 mL of vinegar, leading to observable bubbling.
- **Bag 2:** Increased the sodium bicarbonate to 1.400 grams with the same volume of vinegar (20.0 mL), resulting in slightly more fizzing.
- **Bag 3:** Further increased the sodium bicarbonate to 4.200 grams and tripled the vinegar volume to 60.0 mL, resulting in vigorous bubbling and more rapid mixing.

These observations help illustrate the effects of varying reactant quantities on the rate and intensity of chemical reactions.
Transcribed Image Text:**Table of Sodium Bicarbonate and Vinegar Reactions** | **Bag Number** | **Mass of NaHCO₃ (g)** | **Volume of Vinegar (mL)** | **Observations** | |-----------------|---------------------|------------------------|------------------| | 1 | 0.700 | 20.0 | When we mixed it, it started bubbling. This one... | | 2 | 1.400 | 20.0 | This one fizzed slightly more than bag number 1. | | 3 | 4.200 | 60.0 | When we mixed it, it bubbled a lot, mixed a lot quicker, and... | ### Explanation This table presents data on the reaction between sodium bicarbonate (NaHCO₃) and vinegar (acetic acid solution) across three different trials. Each bag number corresponds to a specific set of conditions: - **Bag 1:** Utilized 0.700 grams of sodium bicarbonate and 20.0 mL of vinegar, leading to observable bubbling. - **Bag 2:** Increased the sodium bicarbonate to 1.400 grams with the same volume of vinegar (20.0 mL), resulting in slightly more fizzing. - **Bag 3:** Further increased the sodium bicarbonate to 4.200 grams and tripled the vinegar volume to 60.0 mL, resulting in vigorous bubbling and more rapid mixing. These observations help illustrate the effects of varying reactant quantities on the rate and intensity of chemical reactions.
**Question 4:**

Given that the molar mass of NaHCO₃ is 84.01 g/mol, calculate the number of moles of NaHCO₃ that reacted in bag 2.
Transcribed Image Text:**Question 4:** Given that the molar mass of NaHCO₃ is 84.01 g/mol, calculate the number of moles of NaHCO₃ that reacted in bag 2.
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