QUESTION If the mass of BaCl, 2H2Os sample subject to thermal decomposition was 2.526 g, what is the theoretical yield of BaCl, H2Os) if Reaction 1 occurred. (The molar mass of BaCl, 2H2O(s) is 244.2 g; the molar mass of BaCl;'H2Os) is 226.2 g)

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Chapter1: Chemical Foundations
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### Hydrates and Thermal Decomposition

**Introduction to Hydrates:**
Hydrates are ionic compounds that contain water molecules incorporated into the structure of the ionic compounds in a specific ratio. For example, barium chloride dihydrate has the chemical formula \( \text{BaCl}_2·2\text{H}_2\text{O} \), in which the two water molecules are incorporated into every unit of \( \text{BaCl}_2 \) ionic compound.

**Objective:**
In this experiment, you will determine the final products obtained from heating \( \text{BaCl}_2·2\text{H}_2\text{O} \). Depending on the extent of heating, three different sets of products are predicted as listed below:

#### Predicted Reactions:

1. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaCl}_2·\text{H}_2\text{O}_{(s)} + \text{H}_2\text{O}_{(g)} \) (Reaction 1)
2. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaCl}_2_{(s)} + 2\text{H}_2\text{O}_{(g)} \) (Reaction 2)
3. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaO}_{(s)} + \text{H}_2\text{O}_{(g)} + 2\text{HCl}_{(g)} \) (Reaction 3)

**Question:**
If the mass of \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \) sample subjected to thermal decomposition was 2.526 g, what is the theoretical yield of \( \text{BaCl}_2·\text{H}_2\text{O}_{(s)} \) if Reaction 1 occurred?

**Data:**
- Molar mass of \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O
Transcribed Image Text:### Hydrates and Thermal Decomposition **Introduction to Hydrates:** Hydrates are ionic compounds that contain water molecules incorporated into the structure of the ionic compounds in a specific ratio. For example, barium chloride dihydrate has the chemical formula \( \text{BaCl}_2·2\text{H}_2\text{O} \), in which the two water molecules are incorporated into every unit of \( \text{BaCl}_2 \) ionic compound. **Objective:** In this experiment, you will determine the final products obtained from heating \( \text{BaCl}_2·2\text{H}_2\text{O} \). Depending on the extent of heating, three different sets of products are predicted as listed below: #### Predicted Reactions: 1. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaCl}_2·\text{H}_2\text{O}_{(s)} + \text{H}_2\text{O}_{(g)} \) (Reaction 1) 2. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaCl}_2_{(s)} + 2\text{H}_2\text{O}_{(g)} \) (Reaction 2) 3. \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \xrightarrow{\text{heat}} \text{BaO}_{(s)} + \text{H}_2\text{O}_{(g)} + 2\text{HCl}_{(g)} \) (Reaction 3) **Question:** If the mass of \( \text{BaCl}_2·2\text{H}_2\text{O}_{(s)} \) sample subjected to thermal decomposition was 2.526 g, what is the theoretical yield of \( \text{BaCl}_2·\text{H}_2\text{O}_{(s)} \) if Reaction 1 occurred? **Data:** - Molar mass of \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O
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